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https://issues.apache.org/jira/browse/HDDS-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17650586#comment-17650586
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mingchao zhao commented on HDDS-1890:
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Ozone 1.3.0 had been released and we currently have more than 600 open issues
targeted for 1.3.0. I am moving the target field to 1.4.0.
If there is anything needs to be discussed about the Target Version, Please
reach out to me via Apache email or Slack.
> Add metrics for data pipeline performance monitoring in ContainerStateMachine
> -----------------------------------------------------------------------------
>
> Key: HDDS-1890
> URL: https://issues.apache.org/jira/browse/HDDS-1890
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Datanode
> Affects Versions: 0.5.0
> Reporter: Shashikant Banerjee
> Priority: Major
> Labels: Triaged
>
> Following metrics have been identified to be incorporated inside
> containerStateMachine in order to measure and monitor the data pipeline
> performance in datanode:
>
> |containerDbAvgLoadLatency|Avg time to load a container db|
> |avgWriteStateMachineDataLatency|Avg time to write stateMachine Data|
> |stateMachineCacheMissRatio|Ratio of stateMachine machine cache misses to
> total no of readStateMachine calls|
> |avgTransactionalLatency|Avg transactional time for a client request inside
> the stateMachine(i.e, time from startTransaction call till applyTransaction
> of the request completion)|
> |avgContainerDbReadLatency|Avg Rocks Db write latency during putBlock|
> |avgContainerDbWriteLatency|Avg Rocks DB read latency during getBlock|
> |avgCommitChunkLatency|Avg time taken to rename a chunk file|
> |numNotifyNoLeaderCallCount|This indicates how many times stateMachine has
> been notified of no leader for extended period of time|
> |numNotifySlownessCallCount|Number of times a follower is notified to be slow
> to the stateMachine|
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