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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3617) unloadTablet log message in TabletServer is spammy w/o purpose
Date Tue, 24 Feb 2015 03:05:12 GMT
Josh Elser created ACCUMULO-3617:
------------------------------------

             Summary: 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: 1.6.2, 1.5.2
            Reporter: Josh Elser
             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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