[jira] [Commented] (OAK-4742) Improve FileStoreStatsMBean

["Alex Parvulescu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-4742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15608010#comment-15608010 ] 

Alex Parvulescu commented on OAK-4742:
--------------------------------------

bq. Last gc run / size before gc and after gc / time gc took broken down into the various phases
This is exposed via the {{SegmentRevisionGCMBean}} which delegates to a {{FileStoreGCMonitor}}. Does it still make sense to replicate this info via the {{FileStoreStatsMBean}} too?

> Improve FileStoreStatsMBean
> ---------------------------
>
>                 Key: OAK-4742
>                 URL: https://issues.apache.org/jira/browse/OAK-4742
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>              Labels: monitoring
>             Fix For: Segment Tar 0.0.18
>
>
> We should add further data to that MBean (if feasible):
> * Number of commits
> * Number of commits queuing (blocked on the commit semaphore)
> * Percentiles of commit times (exclude queueing time)
> * Percentiles of commit queueing times 
> * Last gc run / size before gc and after gc / time gc took broken down into the various phases



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