[jira] [Updated] (HDDS-1890) Add metrics for data pipeline performance monitoring in ContainerStateMachine

["Ethan Rose (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ethan Rose updated HDDS-1890:
-----------------------------
    Target Version/s: 1.3.0  (was: 1.2.0)

I am managing the 1.2.0 release and we currently have more than 600 issues targeted for 1.2.0. I am moving the target field to 1.3.0.

If you are actively working on this jira and believe this should be targeted for the 1.2.0 release, 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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