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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3617) unloadTablet log message in TabletServer is spammy w/o purpose
Date Thu, 09 Apr 2015 17:52:12 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487753#comment-14487753
] 

Josh Elser commented on ACCUMULO-3617:
--------------------------------------

My thoughts about unloadTablet was that I had already spent the time and deemed it wholly
'useless'. I didn't want to push the extra work on someone else. It will just take some extra
effort like you said to evaluate the rest. 

> unloadTablet log message in TabletServer is spammy w/o purpose
> --------------------------------------------------------------
>
>                 Key: ACCUMULO-3617
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3617
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: tserver
>    Affects Versions: 1.5.2, 1.6.2
>            Reporter: Josh Elser
>            Priority: Minor
>              Labels: newbie
>             Fix For: 1.8.0, 1.7.1
>
>
> Looking at TabletServer logs, the following message can be overwhelming:
> {noformat}
> 2015-02-24 01:57:34,723 [tserver.TabletServer] DEBUG: Got unloadTablet message from user:
!SYSTEM
> {noformat}
> This message alone tells us nothing (no context about the tablet(s) requested to be unloaded,
only that there was a request to unload a tablet), and can appear in the log upwards of 20
times a millisecond.
> It might be better if the TabletServer did...
> * Batched log messages "N unloadTablet requests in $duration"
> * Include extent to unload
> * Kill the log message entirely.



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