Telemetry Reporter Metrics

The following tables show the metadata collected by Confluent Telemetry Reporter and sent to Confluent to power Health+.

Metrics are available for the following Confluent Platform components:

Metadata tags

Additional metadata tags are attached to each metric record received, enables storing and associating the metric with the correct resource.

Tag name Description
kafka.cluster.id Unique Kafka cluster ID
kafka.version Kafka version of broker
kafka.broker.id Unique broker identifier in Kafka cluster
java.version Java version of broker
host.hostname Host name for broker
topic Topic name. Populated when collecting topic-level metrics.

Kafka Server

Metric name io.confluent.kafka.server/* Since Confluent version Description
confluent_audit/audit_log_fallback_rate_per_minute 6.0.0 Number of audit log fallbacks per minute.
confluent_audit/audit_log_rate_per_minute 6.0.0 Number of audit logs created per minute.
confluent_authorizer/authorization_request_rate_per_minute 6.0.0 Number of authorization requests per minute.
confluent_authorizer/authorization_allowed_rate_per_minute 6.0.0 Number of authorizations allowed per minute.
confluent_authorizer/authorization_denied_rate_per_minute 6.0.0 Number of authorizations denied per minute.
confluent_auth_store/rbac_role_bindings_count 6.0.0 Number of RBAC role bindings.
confluent_auth_store/rbac_access_rules_count 6.0.0 Number of RBAC access rules.
confluent_auth_store/acl_access_rules_count 6.0.0 Number of ACL access rules.
acl_authorizer/zookeeper_disconnects/total/delta 6.0.0 Kafka Authorizer
acl_authorizer/zookeeper_expires/total/delta 6.0.0  
broker_failure/zookeeper_disconnects/total/delta 6.0.0 ZooKeeper client disconnect rate.
broker_failure/zookeeper_expires/total/delta 6.0.0 ZooKeeper client expiration rate.
broker_topic/bytes_in/total/delta 6.0.0 Topic bytes in rate.
broker_topic/bytes_out/total/delta 6.0.0 Topic bytes our rate.
broker_topic/failed_produce_requests/total/delta 6.0.0 Topic failed produce rate.
broker_topic/failed_fetch_requests/total/delta 6.0.0 Topic failed fetch rate.
broker_topic/produce_message_conversions/total/delta 6.0.0 Number of producer message conversions per second. Conversions occur when the broker and client message version don’t match.
broker_topic/fetch_message_conversions/total/delta 6.0.0 Number of consumer message conversions per second. Conversions occur when the broker and client message version don’t match.
controller/active_controller_count 6.0.0 Number of active controllers.
controller/leader_election_rate_and_time_ms 6.0.0 Leader election rate and latency.
controller/offline_partitions_count 6.0.0 Number of partitions that don’t have an active leader and aren’t writable or readable. Alert if value is greater than 0.
controller/unclean_leader_elections/total 6.0.0 Total number of unclean leader elections.
controller_channel/connection_close_rate 6.0.0 Number of connections closed per second in the window.
controller_channel/connection_close_total 6.0.0 Total number of connections closed in the window.
controller_channel/connection_count 6.0.0 Number of currently open connections to the broker.
controller_channel/connection_creation_rate 6.0.0 Number of new connections established per second in the window.
controller_channel/connection_creation_total 6.0.0 Total number of connections created in the window.
controller_channel/request_size_avg 6.0.0 Average size of all requests in the window for a broker.
controller_channel/request_size_max 6.0.0 Maximum size of any request sent in the window for a broker.
controller_channel_manager/queue_size 6.0.0  
controller_channel_manager/total_queue_size 6.0.0  
controller_event_manager/event_queue_size 6.0.0  
delayed_operation_purgatory/purgatory_size 6.0.0 Number of requests waiting in the producer purgatory. Should be non-zero when acks=all is used on the producer.
executor/zookeeper_disconnects/total/delta 6.0.0 ZooKeeper SBC client disconnect rate.
executor/zookeeper_expires/total/delta 6.0.0 ZooKeeper SBC client disconnect rate.
fetch/queue_size 6.0.0  
group_coordinator/partition_load_time_max 6.0.0  
log_cleaner_manager/achieved_cleaning_ratio/time/delta 6.0.0 Dirty ratio of topic partitions to be compacted, in percentage.
log_cleaner_manager/achieved_cleaning_ratio/total/delta 6.0.0  
log_cleaner_manager/compacted_partition_bytes 6.0.0 Amount of data in compacted topics for each log directory.
log_cleaner_manager/max_dirty_percent 6.0.0 The cleanable ratio of the dirtiest log.
log_cleaner_manager/time_since_last_run_ms 6.0.0 Time since the last log cleaner run, in milliseconds. Resets to 0 when the log cleaner thread runs. Increases constantly if the log cleaner thread is not alive.
log_cleaner_manager/uncleanable_bytes 6.0.0 Number of uncleanable bytes from uncleanable partitions for each log directory.
log_cleaner_manager/uncleanable_partitions_count 6.0.0 Number of partitions marked as uncleanable for each log directory.
replica_alter_log_dirs_manager/max_lag 6.0.0  
replica_fetcher/request_size_avg 6.0.0 Average size of requests to the Replica Manager.
replica_fetcher/request_size_max 6.0.0 Size of the largest request to the Replica Manager.
replica_fetcher_manager/max_lag 6.0.0 Maximum lag in messages between the follower and leader replicas. Controlled by the replica.lag.max.messages config.
replica_manager/isr_shrinks 6.0.0 Number of ISR shrinks per second.
replica_manager/leader_count 6.0.0 Number of leaders on the current broker. Usually, this value should be even, across all brokers. If it’s not, set auto.leader.rebalance.enable to true on all brokers in the cluster.
replica_manager/partition_count 6.0.0 Number of partitions across all topics in the cluster.
replica_manager/under_min_isr_partition_count 6.0.0 Number of partitions that have an in-sync replicas count less than minIsr. These partitions are not available to producers that use acks=all.
replica_manager/under_replicated_partitions 6.0.0 Number of under-replicated partitions.
request/errors/total/delta 6.0.0  
request/local_time_ms/time/delta 6.0.0 Time the request is processed at the leader, in milliseconds.
request/local_time_ms/total/delta 6.0.0  
request/queue_size 6.0.0  
request/remote_time_ms/time/delta 6.0.0 Time the request waits for the follower. Non-zero for produce requests when acks=all.
request/remote_time_ms/total/delta 6.0.0  
request/request_queue_time_ms/time/delta 6.0.0 Time that the request waits in the request queue, in milliseconds.
request/request_queue_time_ms/total/delta 6.0.0  
request/requests 6.0.0 The average number of requests sent per second.
request/response_queue_time_ms/time/delta 6.0.0 Time that the request waits in the response queue, in milliseconds.
request/response_queue_time_ms/total/delta 6.0.0  
request/response_send_time_ms/time/delta 6.0.0 Time to send the response, in milliseconds.
request/response_send_time_ms/total/delta 6.0.0  
request/total_time_ms/time/delta 6.0.0 Total time to serve the specified request, in milliseconds.
request/total_time_ms/total/delta 6.0.0  
request_channel/request_queue_size 6.0.0 Size of the request queue. A congested request queue can’t process incoming or outgoing requests.
request_channel/response_queue_size 6.0.0 Size of the response queue. The response queue is unbounded. A congested response queue can result in delayed response times and memory pressure on the broker.
request_handler_pool/request_handler_avg_idle_percent 6.0.0 Average fraction of time the request handler threads are idle. Values are between 0 (all resources are used) and 1 (all resources are available).
session_expire_listener/zookeeper_disconnects/total/delta 6.0.0 Number of disconnects per second.
session_expire_listener/zookeeper_expires/total/delta 6.0.0 Number of session expirations per second.
socket_server/connections 6.0.0 Number of currently open connections to the broker.
socket_server/successful_authentication_total/delta 6.0.0  
socket_server/failed_authentication_total/delta 6.0.0  
socket_server/network_processor_avg_idle_percent 6.0.0 Average fraction of time that the network processor threads are idle. Values are between 0 (all resources are used) and 1 (all resources are available).
socket_server/request_size_avg 6.0.0 Average size of requests to the broker.
socket_server/request_size_max 6.0.0 Size of the largest request to the broker.

ksqlDB Server

Metric name io.confluent.ksql/* Since Confluent version Description
ksql_engine_query/bytes_consumed_total 6.0.0 Total number of bytes consumed across all queries.
ksql_engine_query/created_queries 6.0.0 Count of queries that are in the CREATED state.
ksql_engine_query/error_queries 6.0.0 Count of queries that are in the ERROR state.
ksql_engine_query/error_rate 6.0.0 Number of processing errors per second.
ksql_engine_query/liveness_indicator 6.0.0 Indicates whether the ksqlDB server is up and emitting metrics. Has a constant value of 1.
ksql_engine_query/messages_consumed 6.0.0 Total number of messages consumed across all queries.
ksql_engine_query/messages_produced 6.0.0 Total number of messages produced.
ksql_engine_query/not_running_queries 6.0.0 Count of queries that are in the NOT_RUNNING state.
ksql_engine_query/num_active_queries 6.0.0 Number of active queries running in the current ksqlDB engine.
ksql_engine_query/num_idle_queries 6.0.0 Number of inactive queries.
ksql_engine_query/num_persistent_queries 6.0.0 Number of persistent queries running in the current ksqlDB engine.
ksql_engine_query/pending_shutdown_queries 6.0.0 Count of queries that are in the PENDING_SHUTDOWN state.
ksql_engine_query/rebalancing_queries 6.0.0 Count of queries that are in the REBALANCING state.
ksql_engine_query/running_queries 6.0.0 Count of queries that are in the RUNNING state.
pull_query/pull_query_requests 6.0.0 Number of requests for pull queries.

Connect

Metric name io.confluent.kafka.connect/* Since Confluent version Description
connect/request_size_avg 6.0.0 Average request size for this connector
connect/request_size_max 6.0.0 Max request size for this connector
connect_node/request_size_avg 6.0.0 Average request size for this node
connect_node/request_size_max 6.0.0 Max request size for this node
connect_worker/connector_destroyed_task_count 6.0.0 Tasks destroyed by this worker
connect_worker/connector_failed_task_count 6.0.0 Failed tasks on this worker
connect_worker/connector_paused_task_count 6.0.0 Paused tasks on this worker
connect_worker/connector_running_task_count 6.0.0 Running tasks on this worker
connect_worker/connector_total_task_count 6.0.0 Total tasks on this worker
connect_worker/connector_unassigned_task_count 6.0.0 Unassigned tasks on this worker
connect_worker/task_count 6.0.0 Task count on this worker
connector_task/batch_size_avg 6.0.0 Average batch size for this task
connector_task/batch_size_max 6.0.0 Max batch size for this task
sink_task/sink_record_send_rate 6.0.0 Send rate for this task
source_task/poll_batch_avg_time_ms 6.0.0 Average batch size for this task
source_task/poll_batch_max_time_ms 6.0.0 Max batch size for this task
source_task/source_record_write_rate 6.0.0 Record write rate for this task
task_error/deadletterqueue_produce_requests 6.0.0 Requests sent to dead letter queue
task_error/deadletterqueue_produce_requests/delta 6.0.0 Requests sent to dead letter queue since last collection

Schema Registry

Metric name io.confluent.schema.registry/* Since Confluent version Description
api_failure_count/api_failure_count 6.0.0 Failed requests to API
api_success_count/api_success_count 6.0.0 Successful requests to API
avro_schemas_created/avro_schemas_created 6.0.0 Number of avro schemas created
avro_schemas_deleted/avro_schemas_deleted 6.0.0 Number of avro schemas deleted
custom_schema_provider_count/custom_schema_provider_count 6.0.0 Number of custom providers
deleted_count/deleted_count 6.0.0 Number of schemas deleted
json_schemas_created/json_schemas_created 6.0.0 Number of JSON schemas created
json_schemas_deleted/json_schemas_deleted 6.0.0 Number of JSON schemas deleted
node_count/node_count 6.0.0 Number of nodes
protobuf_schemas_created/protobuf_schemas_created 6.0.0 Number of protobuf schemas created
protobuf_schemas_deleted/protobuf_schemas_deleted 6.0.0 Number of protobuf schemas deleted
registered_count/registered_count 6.0.0 Number of schemas registered

Java Clients

Metric name io.confluent.kafka.client/* Since Confluent version Description
consumer/request_size_avg 6.0.0 Average request size for this consumer
consumer/request_size_max 6.0.0 Max request size for this consumer
consumer_node/request_size_avg 6.0.0 Average request size for this consumer node
consumer_node/request_size_max 6.0.0 Max request size for this consumer node
producer/batch_size_avg 6.0.0 Average request size for this producer
producer/batch_size_max 6.0.0 Max request size for this producer
producer/connection_count 6.0.0 Number of producer connections
producer/incoming_byte_rate 6.0.0 Average incoming byte rate for this client
producer/incoming_byte_total 6.0.0 Total bytes into this client
producer/incoming_byte_total/delta 6.0.0 Bytes into this client since last collection
producer/outgoing_byte_rate 6.0.0 Average outgoing byte rate for this client
producer/outgoing_byte_total 6.0.0 Total bytes out of this client
producer/outgoing_byte_total/delta 6.0.0 Bytes out of this client since last collection
producer/record_error_rate 6.0.0 Record error rate
producer/record_error_total 6.0.0 Total number of errors
producer/record_error_total/delta 6.0.0 Number of errors since last collection
producer/record_send_rate 6.0.0 Average record send rate
producer/record_send_total 6.0.0 Total records sent
producer/record_send_total/delta 6.0.0 Records sent since last collection
producer/record_size_avg 6.0.0 Average record size
producer/record_size_max 6.0.0 Max record size
producer/request_size_avg 6.0.0 Average request size
producer/request_size_max 6.0.0 Max request size
producer/requests_in_flight 6.0.0 Number of requests outstanding
producer_node/incoming_byte_rate 6.0.0 Incoming byte rate for this producer node
producer_node/incoming_byte_total 6.0.0 Total incoming bytes for this producer node
producer_node/incoming_byte_total/delta 6.0.0 Bytes in since last collection for this producer node
producer_node/outgoing_byte_rate 6.0.0 Outgoing bytes for this producer node
producer_node/outgoing_byte_total 6.0.0 Total outgoing bytes for this producer node
producer_node/outgoing_byte_total/delta 6.0.0 Bytes out since last collection for this producer node
producer_node/request_size_avg 6.0.0 Average request size for this producer node
producer_node/request_size_max 6.0.0 Max request size for this producer node

Confluent Control Center

Metric name io.confluent.controlcenter/* Since Confluent version Description
consumer_group/total_lag 6.0.0 Lag for Control Center application
healthcheck/broker_log_persistent_dir 6.0.0 Healthcheck for Control Center broker configuration
healthcheck/cluster_offline 6.0.0 Healthcheck for Control Center cluster
healthcheck/misconfigured_topics 6.0.0 Healthcheck for Control Center topic configuration
healthcheck/missing_topic_configurations 6.0.0 Healthcheck for Control Center missing topics
healthcheck/streams_status 6.0.0 Healthcheck for Control Center streams topology
jersey/kafka.acls.get.request_latency_95 6.0.0 95th percentile latency for this request type 95th percentile latency for this request type
jersey/kafka.acls.get.request_latency_99 6.0.0 99th percentile latency for this request type 99th percentile latency for this request type
jersey/kafka.acls.get.request_latency_avg 6.0.0 Average latency for this request type Average latency for this request type
jersey/kafka.acls.get.request_latency_max 6.0.0 Max latency for this request type Max latency for this request type
jersey/kafka.acls.get.response_rate 6.0.0 Response rate for this request type Response rate for this request type
jersey/kafka.acls.get.response_size_avg 6.0.0 Average response size for this request type Average response size for this request type
jersey/kafka.acls.get.response_size_max 6.0.0 Max response size for this request type Max response size for this request type
jersey/kafka.get.topic_default_config.request_latency_95 6.0.0 95th percentile latency for this request type
jersey/kafka.get.topic_default_config.request_latency_99 6.0.0 99th percentile latency for this request type
jersey/kafka.get.topic_default_config.request_latency_avg 6.0.0 Average latency for this request type
jersey/kafka.get.topic_default_config.request_latency_max 6.0.0 Max latency for this request type
jersey/kafka.get.topic_default_config.response_rate 6.0.0 Response rate for this request type
jersey/kafka.get.topic_default_config.response_size_avg 6.0.0 Average response size for this request type
jersey/kafka.get.topic_default_config.response_size_max 6.0.0 Max response size for this request type
jersey/kafka.get.topic_defaults.request_latency_95 6.0.0 95th percentile latency for this request type
jersey/kafka.get.topic_defaults.request_latency_99 6.0.0 99th percentile latency for this request type
jersey/kafka.get.topic_defaults.request_latency_avg 6.0.0 Average latency for this request type
jersey/kafka.get.topic_defaults.request_latency_max 6.0.0 Max latency for this request type
jersey/kafka.get.topic_defaults.response_rate 6.0.0 Response rate for this request type
jersey/kafka.get.topic_defaults.response_size_avg 6.0.0 Average response size for this request type
jersey/kafka.get.topic_defaults.response_size_max 6.0.0 Max response size for this request type
jersey/kafka.topic.replicas.request_latency_95 6.0.0 95th percentile latency for this request type
jersey/kafka.topic.replicas.request_latency_99 6.0.0 99th percentile latency for this request type
jersey/kafka.topic.replicas.request_latency_avg 6.0.0 Average latency for this request type
jersey/kafka.topic.replicas.request_latency_max 6.0.0 Max latency for this request type
jersey/kafka.topic.replicas.response_rate 6.0.0 Response rate for this request type
jersey/kafka.topic.replicas.response_size_avg 6.0.0 Average response size for this request type
jersey/kafka.topic.replicas.response_size_max 6.0.0 Max response size for this request type
jersey/kafka.topics.get.request_latency_95 6.0.0 95th percentile latency for this request type
jersey/kafka.topics.get.request_latency_99 6.0.0 99th percentile latency for this request type
jersey/kafka.topics.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/kafka.topics.get.request_latency_max 6.0.0 Max latency for this request type
jersey/kafka.topics.get.response_rate 6.0.0 Response rate for this request type
jersey/kafka.topics.get.response_size_avg 6.0.0 Average response size for this request type
jersey/kafka.topics.get.response_size_max 6.0.0 Max response size for this request type
jersey/metrics.topic.all.detail.request_latency_95 6.0.0 95th percentile latency for this request type
jersey/metrics.topic.all.detail.request_latency_99 6.0.0 99th percentile latency for this request type
jersey/metrics.topic.all.detail.request_latency_avg 6.0.0 Average latency for this request type
jersey/metrics.topic.all.detail.request_latency_max 6.0.0 Max latency for this request type
jersey/metrics.topic.all.detail.response_rate 6.0.0 Response rate for this request type
jersey/metrics.topic.all.detail.response_size_avg 6.0.0 Average response size for this request type
jersey/metrics.topic.all.detail.response_size_max 6.0.0 Max response size for this request type
jersey/metrics.topic.replicas.request_latency_95 6.0.0 95th percentile latency for this request type
jersey/metrics.topic.replicas.request_latency_99 6.0.0 99th percentile latency for this request type
jersey/metrics.topic.replicas.request_latency_avg 6.0.0 Average latency for this request type
jersey/metrics.topic.replicas.request_latency_max 6.0.0 Max latency for this request type
jersey/metrics.topic.replicas.response_rate 6.0.0 Response rate for this request type
jersey/metrics.topic.replicas.response_size_avg 6.0.0 Average response size for this request type
jersey/metrics.topic.replicas.response_size_max 6.0.0 Max response size for this request type
jersey/metrics.topic.size.request_latency_95 6.0.0 95th percentile latency for this request type
jersey/metrics.topic.size.request_latency_99 6.0.0 99th percentile latency for this request type
jersey/metrics.topic.size.request_latency_avg 6.0.0 Average latency for this request type
jersey/metrics.topic.size.request_latency_max 6.0.0 Max latency for this request type
jersey/metrics.topic.size.response_rate 6.0.0 Response rate for this request type
jersey/metrics.topic.size.response_size_avg 6.0.0 Average response size for this request type
jersey/metrics.topic.size.response_size_max 6.0.0 Max response size for this request type
jersey/request_latency_95 6.0.0 95th percentile latency for all request types
jersey/request_latency_99 6.0.0 99th percentile latency for all request types
jersey/request_latency_avg 6.0.0 Average latency for all request types
jersey/request_latency_max 6.0.0 Max latency for all request types
jersey/response_rate 6.0.0 Response rate for all request types
jersey/response_size_avg 6.0.0 Average response size for all request types
jersey/response_size_max 6.0.0 Max response size for all request types
streams/monitoring_input_topic_progress_.count 6.0.0 Message count for all Control Center topics
streams/monitoring_input_topic_progress_.count/delta 6.0.0 Message count delta for all Control Center topics
streams/monitoring_input_topic_progress_.min 6.0.0 Minimum message count for all Control Center topics
streams/monitoring_input_topic_progress_.rate 6.0.0 Message rate for all Control Center topics
streams/monitoring_input_topic_progress_.timestamp 6.0.0 Timestamp being processed for Control Center topics
streams/monitoring_input_topic_progress_<cluster_id>.count 6.0.0 Message count for this cluster ID’s Control Center topics
streams/monitoring_input_topic_progress_<cluster_id>.count/delta 6.0.0 Message count delta for this cluster ID’s Control Center topics
streams/monitoring_input_topic_progress_<cluster_id>.min 6.0.0 Minimum message count for this cluster ID’s Control Center topics
streams/monitoring_input_topic_progress_<cluster_id>.rate 6.0.0 Message rate for this cluster ID’s Control Center topics
streams/monitoring_input_topic_progress_<cluster_id>.timestamp 6.0.0 Timestamp being processed for this cluster ID’s Control Center topics

System

Metric name io.confluent.system/* Since Confluent version Description
jvm/mem/heap/committed 6.0.0 Number of bytes of memory guaranteed to be available to the JVM heap
jvm/mem/heap/used 6.0.0 Number of bytes of memory currently used by the JVM heap
jvm/mem/nonheap/committed 6.0.0 Number of bytes of memory guaranteed to be available to the JVM for non-heap
jvm/mem/nonheap/used 6.0.0 Number of bytes of memory currently used by the JVM for non-heap
jvm/os/free_physical_memory_size 6.0.0 Number of bytes of free memory on the system
jvm/os/max_file_descriptor_count 6.0.0 Maximum allowed file descriptors to be used by the JVM
jvm/os/process_cpu_load 6.0.0 CPU load for this JVM process
jvm/os/system_cpu_load 6.0.0 CPU load for the system
jvm/os/system_load_average 6.0.0 CPU load average for the system
jvm/os/total_physical_memory_size 6.0.0 Total physical memory for this system
volume/disk_total_bytes 6.0.0 Total number of bytes for a disk volume
volume/disk_usable_bytes 6.0.0 Total number of bytes available for use for a disk volume

Kafka REST

Metric name io.confluent.kafka.rest/* Since Confluent version Description
admin_client/request_rate 6.0.0 Request rate to the admin client
admin_client_node/request_latency_avg 6.0.0 Average request latency to the admin client
admin_client_node/request_latency_max 6.0.0 Max request latency to the admin client
admin_client_node/request_rate 6.0.0 Request rate to the admin client
jersey/request_error_rate 6.0.0 Overall request error rate
jersey/request_latency_avg 6.0.0 Average request latency
jersey/request_latency_max 6.0.0 Max request latency
jersey/request_rate 6.0.0 Overall request rate
jersey/response_size_avg 6.0.0 Average response size
jersey/response_size_max 6.0.0 Max response size
jersey/v3.acls.create.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.acls.create.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.acls.create.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.acls.create.request_rate 6.0.0 Request rate for this request type
jersey/v3.acls.create.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.acls.create.response_size_max 6.0.0 Max response size for this request type
jersey/v3.acls.delete.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.acls.delete.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.acls.delete.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.acls.delete.request_rate 6.0.0 Request rate for this request type
jersey/v3.acls.delete.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.acls.delete.response_size_max 6.0.0 Max response size for this request type
jersey/v3.acls.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.acls.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.acls.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.acls.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.acls.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.acls.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.configs.alter.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.configs.alter.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.configs.alter.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.configs.alter.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.configs.alter.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.configs.alter.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.configs.delete.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.configs.delete.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.configs.delete.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.configs.delete.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.configs.delete.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.configs.delete.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.configs.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.configs.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.configs.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.configs.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.configs.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.configs.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.configs.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.configs.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.configs.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.configs.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.configs.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.configs.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.configs.update.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.configs.update.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.configs.update.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.configs.update.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.configs.update.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.configs.update.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.brokers.partition_replicas.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.brokers.partition_replicas.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.brokers.partition_replicas.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.brokers.partition_replicas.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.brokers.partition_replicas.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.brokers.partition_replicas.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.clusters.configs.alter.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.clusters.configs.alter.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.clusters.configs.alter.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.clusters.configs.alter.request_rate 6.0.0 Request rate for this request type
jersey/v3.clusters.configs.alter.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.clusters.configs.alter.response_size_max 6.0.0 Max response size for this request type
jersey/v3.clusters.configs.delete.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.clusters.configs.delete.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.clusters.configs.delete.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.clusters.configs.delete.request_rate 6.0.0 Request rate for this request type
jersey/v3.clusters.configs.delete.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.clusters.configs.delete.response_size_max 6.0.0 Max response size for this request type
jersey/v3.clusters.configs.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.clusters.configs.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.clusters.configs.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.clusters.configs.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.clusters.configs.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.clusters.configs.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.clusters.configs.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.clusters.configs.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.clusters.configs.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.clusters.configs.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.clusters.configs.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.clusters.configs.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.clusters.configs.update.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.clusters.configs.update.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.clusters.configs.update.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.clusters.configs.update.request_rate 6.0.0 Request rate for this request type
jersey/v3.clusters.configs.update.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.clusters.configs.update.response_size_max 6.0.0 Max response size for this request type
jersey/v3.clusters.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.clusters.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.clusters.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.clusters.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.clusters.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.clusters.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.clusters.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.clusters.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.clusters.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.clusters.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.clusters.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.clusters.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumer_assignments.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumer_assignments.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumer_assignments.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumer_assignments.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumer_assignments.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumer_assignments.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumer_assignments.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumer_assignments.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumer_assignments.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumer_assignments.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumer_assignments.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumer_assignments.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumer_group_lag_summary.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumer_group_lag_summary.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumer_group_lag_summary.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumer_group_lag_summary.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumer_group_lag_summary.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumer_group_lag_summary.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumer_groups.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumer_groups.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumer_groups.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumer_groups.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumer_groups.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumer_groups.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumer_groups.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumer_groups.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumer_groups.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumer_groups.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumer_groups.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumer_groups.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumer_lags.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumer_lags.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumer_lags.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumer_lags.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumer_lags.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumer_lags.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumer_lags.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumer_lags.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumer_lags.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumer_lags.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumer_lags.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumer_lags.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumers.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumers.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumers.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumers.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumers.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumers.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.consumers.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.consumers.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.consumers.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.consumers.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.consumers.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.consumers.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.partitions.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.partitions.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.partitions.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.partitions.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.partitions.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.partitions.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.partitions.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.partitions.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.partitions.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.partitions.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.partitions.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.partitions.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.produce.produce_to_topic.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.produce.produce_to_topic.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.produce.produce_to_topic.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.produce.produce_to_topic.request_rate 6.0.0 Request rate for this request type
jersey/v3.produce.produce_to_topic.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.produce.produce_to_topic.response_size_max 6.0.0 Max response size for this request type
jersey/v3.replicas.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.replicas.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.replicas.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.replicas.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.replicas.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.replicas.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.replicas.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.replicas.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.replicas.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.replicas.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.replicas.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.replicas.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.configs.alter.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.configs.alter.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.configs.alter.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.configs.alter.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.configs.alter.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.configs.alter.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.configs.delete.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.configs.delete.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.configs.delete.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.configs.delete.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.configs.delete.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.configs.delete.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.configs.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.configs.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.configs.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.configs.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.configs.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.configs.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.configs.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.configs.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.configs.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.configs.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.configs.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.configs.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.configs.update.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.configs.update.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.configs.update.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.configs.update.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.configs.update.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.configs.update.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.create.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.create.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.create.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.create.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.create.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.create.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.delete.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.delete.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.delete.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.delete.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.delete.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.delete.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.partitions.reassignment.get.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.partitions.reassignment.get.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.partitions.reassignment.get.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.partitions.reassignment.get.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.partitions.reassignment.get.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.partitions.reassignment.get.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics.partitions_reassignment.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics.partitions_reassignment.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics.partitions_reassignment.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics.partitions_reassignment.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics.partitions_reassignment.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics.partitions_reassignment.list.response_size_max 6.0.0 Max response size for this request type
jersey/v3.topics_partitions_reassignment.list.request_error_rate 6.0.0 Error rate for this request type
jersey/v3.topics_partitions_reassignment.list.request_latency_avg 6.0.0 Average latency for this request type
jersey/v3.topics_partitions_reassignment.list.request_latency_max 6.0.0 Max latency for for this request type
jersey/v3.topics_partitions_reassignment.list.request_rate 6.0.0 Request rate for this request type
jersey/v3.topics_partitions_reassignment.list.response_size_avg 6.0.0 Average response size for this request type
jersey/v3.topics_partitions_reassignment.list.response_size_max 6.0.0 Max response size for this request type
jetty/connections_active 6.0.0 Number of active connections
jetty/connections_active/delta 6.0.0 Change in number of active connections since last collection
jetty/connections_closed_rate 6.0.0 Rate of connections closed

Kafka broker configuration

Query for Kafka broker configuration settings by using the metrics shown in this section. For more information, see Kafka Broker Configurations for Confluent Platform.

Transactions

The following table shows configuration settings for transactions.

Metric name io.confluent.kafka.server/transaction.* Since Confluent version Description
transaction.remove.expired.transaction.cleanup.interval.ms 7.0.0 Interval for removing transactions when transactional.id.expiration.ms expires.
transaction.state.log.load.buffer.size 7.0.0 Batch size for reading from transaction log segments when loading producer IDs and transactions into cache.
transaction.state.log.min.isr 7.0.0 Overridden min.insync.replicas config for the transaction topic.
transaction.state.log.num.partitions 7.0.0 Number of partitions for the transaction topic.
transaction.state.log.replication.factor 7.0.0 Replication factor for the transaction topic.
transaction.state.log.segment.bytes 7.0.0 Size of transaction topic segments in bytes.
transactional.id.expiration.ms 7.0.0 Time in ms that the transaction coordinator waits before expiring the transactional ID of the current transaction due to inactive transaction status updates.

Controlled shutdown

The following table shows configuration settings for controlled shutdown of the server.

Metric name io.confluent.kafka.server/controlled.* Since Confluent version Description
controlled.shutdown.enable 7.0.0 Enables controlled shutdown of the server.
controlled.shutdown.max.retries 7.0.0 Maximum number of retries when failure occurs during controlled shutdown.
controlled.shutdown.retry.backoff.ms 7.0.0 Time to wait before retrying a controlled shutdown.

Consuming and fetching

The following table shows configuration settings for fetches.

Metric name io.confluent.kafka.server/fetch.* Since Confluent version Description
fetch.max.bytes 7.0.0 Maximum number of bytes to return for a fetch request.
fetch.purgatory.purge.interval.requests 7.0.0 Purge interval, in number of requests, of the fetch request purgatory.
max.incremental.fetch.session.cache.slots 7.0.0 Maximum number of maintained incremental fetch sessions.

The following table shows configuration settings for consumer groups.

Metric name io.confluent.kafka.server/group.* Since Confluent version Description
group.initial.rebalance.delay.ms 7.0.0 Length of time the group coordinator waits for more consumers to join a new group before performing the first rebalance (deprecated in KIP-345).
group.min.session.timeout.ms 7.0.0 Minimum allowed session timeout for registered consumers.
group.max.session.timeout.ms 7.0.0 Maximum allowed session timeout for registered consumers.
group.max.size 7.0.0 Maximum number of consumers that a single consumer group can accommodate.

Logging

The following table shows configuration settings for logging.

Metric name io.confluent.kafka.server/log.* Since Confluent version Description
log.cleaner.backoff.ms 7.0.0 Time to sleep when there are no logs to clean.
log.cleaner.dedupe.buffer.size 7.0.0 Total memory used for log deduplication across all cleaner threads.
log.cleaner.delete.retention.ms 7.0.0 Time to retain deleted records.
log.cleaner.enable 7.0.0 Enable the log cleaner process to run on the server.
log.cleaner.io.buffer.load.factor 7.0.0 Log cleaner dedupe buffer load factor.
log.cleaner.io.buffer.size 7.0.0 Total memory used for log cleaner I/O buffers across all cleaner threads.
log.cleaner.io.max.bytes.per.second 7.0.0 Log cleaner is throttled so that the sum of its read and write i/o will be less than this value, on average.
log.cleaner.min.cleanable.ratio 7.0.0 Minimum ratio of dirty log to total log for a log to be eligible for cleaning.
log.cleaner.min.compaction.lag.ms 7.0.0 Minimum time a message remains uncompacted in the log.
log.cleaner.max.compaction.lag.ms 7.0.0 Maximum time a message remains ineligible for compaction in the log.
log.cleaner.threads 7.0.0 Number of background threads to use for log cleaning.
log.cleanup.policy 7.0.0 Default cleanup policy for segments beyond the retention window.
log.index.interval.bytes 7.0.0 Interval for adding an entry to the offset index.
log.index.size.max.bytes 7.0.0 Maximum eligible segments that can be deleted during every check.
log.message.downconversion.enable 7.0.0 Specifies whether down-conversion of message formats is enabled to satisfy consume requests.
log.message.format.version 7.0.0 Message format version the broker uses to append messages to the logs.
log.message.timestamp.difference.max.ms 7.0.0 Maximum difference allowed between the timestamp when a broker receives a message and the timestamp specified in the message.
log.message.timestamp.type 7.0.0 Specifies whether the timestamp in the message is message-create time or log-append time.

Connections

The following table shows configuration settings for connections.

Metric name io.confluent.kafka.server/max.connections.* Since Confluent version Description
max.connection.creation.rate 7.0.0 Maximum connection creation rate permitted in the broker at any time.
max.connections 7.0.0 Maximum number of connections permitted in the broker at any time.
max.connections.per.ip 7.0.0 Maximum number of connections permitted from each IP address.

Replicas and replication

The following table shows configuration settings for replicas.

Metric name io.confluent.kafka.server/replicas.* Since Confluent version Description
replica.fetch.backoff.ms 7.0.0 Time to sleep when a fetch partition error occurs.
replica.fetch.min.bytes 7.0.0 Minimum bytes expected for each fetch response.
replica.fetch.max.bytes 7.0.0 Number of message bytes to attempt to fetch for each partition.
replica.fetch.response.max.bytes 7.0.0 Maximum bytes expected for the entire fetch response.
replica.fetch.wait.max.ms 7.0.0 Maximum wait time for each fetcher request issued by follower replicas.
replica.high.watermark.checkpoint.interval.ms 7.0.0 Frequency to save the high watermark to disk.
replica.lag.time.max.ms 7.0.0 Time to wait before the leader removes an idle or lagging follower from ISR.
replica.selector.class 7.0.0 Fully qualified name of a class that implements ReplicaSelector.
replica.socket.receive.buffer.bytes 7.0.0 Size of the socket receive buffer for network requests.
replica.socket.timeout.ms 7.0.0 Socket timeout for network requests.

The following table shows configuration settings for replication.

Metric name io.confluent.kafka.server/replication.* Since Confluent version Description
replication.quota.window.num 7.0.0 Number of samples to retain in memory for replication quotas.
replication.quota.window.size.seconds 7.0.0 Time span of each sample for replication quotas.

Altering configuration

The following table shows configuration settings for altering configs.

Metric name io.confluent.kafka.server/alter.* Since Confluent version Description
alter.config.policy.class.name 7.0.0 Fully qualified name of the alter configs policy class to use for validation that implements AlterConfigPolicy.
alter.log.dirs.replication.quota.window.num 7.0.0 Number of samples to retain in memory for alter log dirs replication quotas.
alter.log.dirs.replication.quota.window.size.seconds 7.0.0 Time span of each sample for alter log dirs replication quotas.

Metrics

The following table shows configuration settings for metrics.

Metric name io.confluent.kafka.server/metrics.* Since Confluent version Description
metrics.num.samples 7.0.0 Number of samples maintained for computing metrics.
metrics.recording.level 7.0.0 Highest recording level for metrics.
metrics.sample.window.ms 7.0.0 Time span that a metrics sample is computed over.

Quotas

The following table shows configuration settings for quotas. For more information, see Quotas and Enforcing client quotas.

Metric name io.confluent.kafka.server/quotas.* Since Confluent version Description
quota.window.num 7.0.0 Number of samples to retain in memory for client quotas.
quota.window.size.seconds 7.0.0 Time span of each sample for client quotas.

Self-Balancing

The following table shows configuration settings for Self-Balancing. For more information, see Self-Balancing Clusters.

Metric name io.confluent.kafka.server/confluent.balancer.* Since Confluent version Description
confluent.balancer.disk.max.load 7.0.0 Maximum load for disk usage as a proportion of disk capacity.
confluent.balancer.enable 7.0.0 Enables the balancer.
confluent.balancer.exclude.topic.prefixes 7.0.0 List of topic prefixes to exclude from rebalancing.
confluent.balancer.exclude.topic.names 7.0.0 List of topic names to exclude from rebalancing.
confluent.balancer.heal.uneven.load.trigger 7.0.0 Specifies what causes the Confluent DataBalancer to start rebalance operations.
confluent.balancer.heal.broker.failure.threshold.ms 7.0.0 Time to wait before the balancer triggers a balancing action after detecting a broker failure.
confluent.balancer.throttle.bytes.per.second 7.0.0 Maximum bandwidth in bytes to move replicas for replica reassignment.

Tiered Storage

The following table shows configuration settings for Tiered Storage.

Metric name io.confluent.kafka.server/confluent.tier.* Since Confluent version Description
confluent.tier.archiver.num.threads 7.0.0 Size of the thread pool used for tiering data to remote storage.
confluent.tier.backend 7.0.0 Name of the tiered storage backend to use, for example, AzureBlockBlob.
confluent.tier.enable 7.0.0 Enables tiering and fetching data to and from the configured remote storage.
confluent.tier.feature 7.0.0 Feature flag that enables components related to tiered storage. Must be enabled before enabling the confluent.tier.enable property.
confluent.tier.fetcher.num.threads 7.0.0 Size of the thread pool used for tier fetches.
confluent.tier.local.hotset.bytes 7.0.0 Maximum size of a partition on broker-local storage before old log segments are discarded to free space.
confluent.tier.local.hotset.ms 7.0.0 Maximum time to retain a log segment on broker-local storage before discarding it to free space.
confluent.tier.max.partition.fetch.bytes.override 7.0.0 Overrides the consumer’s max.partition.fetch.bytes configuration for tier fetches.
confluent.tier.metadata.replication.factor 7.0.0 Replication factor for the tier metadata topic.

Installation and deployment

The following table shows configuration settings related to installation and deployment.

Metric name io.confluent.kafka.server/confluent.* Since Confluent version Description
confluent.ansible.managed 7.0.0 Set on clusters that have been deployed by using Ansible.
confluent.license 7.0.0 The enterprise license key for your Confluent subscription.
confluent.operator.managed 7.0.0 Set on clusters that have been deployed by using CFK.