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https://issues.apache.org/jira/browse/OAK-3155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14645741#comment-14645741
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Alex Parvulescu commented on OAK-3155:
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looks good!

the only issue I see is around the '//Do not update the status as technically 
the run is not complete' behavior. What will happen is the #start method will 
get called again on the next run, so the watch will reset making the intention 
to keep the stats running superfluous. I think we should call 
#postAsyncRunStatsStatus anyway, even if it's a failed run, I wouldn't mix 
error handling with stats.

> AsyncIndex stats do not capture execution for runs where no indexing is 
> performed
> ---------------------------------------------------------------------------------
>
>                 Key: OAK-3155
>                 URL: https://issues.apache.org/jira/browse/OAK-3155
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: query
>            Reporter: Chetan Mehrotra
>            Assignee: Chetan Mehrotra
>            Priority: Minor
>             Fix For: 1.3.4
>
>         Attachments: OAK-3155.patch
>
>
> {{AsyncIndexStats}} currently provides a time series of the stats around when 
> async indexing run and what time it took. Current logic only collect stats 
> when actual indexing is performed. If no change happened in the repository 
> from the last run that stats around that is ignored.
> Due to this if we see a time series of when runs happen then it might not be 
> true and gives a false impression that async indexing is slow. 
> As a fix we should record execution stats for every run



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