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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3617) unloadTablet log message in TabletServer is spammy w/o purpose
Date Wed, 18 Mar 2015 20:02:38 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367780#comment-14367780
] 

Christopher Tubbs commented on ACCUMULO-3617:
---------------------------------------------

I'm just trying to get an understanding of what a fix would look like. It sounds like [~elserj]
and [~ecn] would be in favor of eliminating this log message for all successful permission
checks (regardless of the request type), and that we should ensure sufficient logging is done
elsewhere, when each individual action is actually performed.

> 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: 1.7.0
>
>
> 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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