[jira] [Commented] (RATIS-652) Add metrics related to snapshot and log purge

["Hadoop QA (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/RATIS-652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16953166#comment-16953166 ] 

Hadoop QA commented on RATIS-652:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  5s{color} | {color:red} RATIS-652 does not apply to master. Rebase required? Wrong Branch? See https://yetus.apache.org/documentation/0.8.0/precommit-patchnames for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | RATIS-652 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12983213/RATIS-652-000.patch |
| Console output | https://builds.apache.org/job/PreCommit-RATIS-Build/1070/console |
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> Add metrics related to snapshot and log purge
> ---------------------------------------------
>
>                 Key: RATIS-652
>                 URL: https://issues.apache.org/jira/browse/RATIS-652
>             Project: Ratis
>          Issue Type: Sub-task
>          Components: server
>            Reporter: Shashikant Banerjee
>            Assignee: Aravindan Vijayan
>            Priority: Major
>             Fix For: 0.5.0
>
>         Attachments: RATIS-652-000.patch
>
>
> Following metrics would be good to determine overall snapshot and log purge behaviour of a ratis pipeline:
>  
> |takeSnapshotLatency|Time taken to take a ratis snapshot.|
> |numSnapshots|Number of snapshots taken |
> |purgeLogRecordLatency|Time taken to purge logRecords.|
> |numPurgeLogCalls|Number of Purge log calls|
> |numInstallSnapshotOps|Number of install snapshot calls|



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