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changes.mady.by.user Andrew Schofield

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changes.mady.by.user Apoorv Mittal

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Information to be added.

Metrics

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Broker Metrics

The following new broker metrics should be added:

Metric Name

Type

Group

Tags

Description

JMX Bean

group-count

Gauge

group-coordinator-metrics

protocol: share

The total number of share groups managed by group coordinator.

kafka.server:type=group-coordinator-metrics,name=group-count,protocol=share 

rebalance (rebalance-rate and rebalance-count)

Meter

group-coordinator-metrics

protocol: share

The total number of share group rebalances count and rate.

kafka.server:type=group-coordinator-metrics,name=rebalance-rate,protocol=share 


kafka.server:type=group-coordinator-metrics,name=rebalance-count,protocol=share 

num-partitions

Gauge

group-coordinator-metrics

protocol: share

The number of share partitions managed by group coordinator. 

kafka.server:type=group-coordinator-metrics,name=num-partitions,protocol=share 

group-countGaugegroup-coordinator-metrics

protocol: share

state: {empty|stable|dead} 

The number of share groups in respective state.kafka.server:type=group-coordinator-metrics,name=group-count,protocol=share,state={empty|stable|dead} 

offset-commit (offset-commit-rate and offset-commit-count)

Meter

group-coordinator-metrics

protocol: share

The total number of committed offsets for share groups.

kafka.server:type=group-coordinator-metrics,name=offset-commit-rate,protocol=share 


kafka.server:type=group-coordinator-metrics,name=offset-commit-count,protocol=share 

record-acknowledgement (record-acknowledgement-rate and record-acknowledgement-count)

Meter

group-coordinator-metrics

protocol: share

ack-type:{accept,release,reject} 


The number of records acknowledged per acknowledgement type.

kafka.server:type=group-coordinator-metrics,name=record-acknowledgement-rate,protocol=share,ack-type={accept,release,reject} 


kafka.server:type=group-coordinator-metrics,name=record-acknowledgement-count,protocol=share,ack-type={accept,release,reject} 

Future Work

There are some obvious extensions to this idea which are not included in this KIP in order to keep the scope manageable.

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