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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2711) Tserver failed to delete WAL
Date Tue, 22 Apr 2014 14:52:15 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13976857#comment-13976857
] 

Mike Drob commented on ACCUMULO-2711:
-------------------------------------

Looking at logs of other tservers on the cluster, here is my reconstructed timeline:

# Some tserver dies, due to agitation.
# Its WAL is shared amongst the masses as recovery occurs.
# Original tserver comes back online, tries to delete the WAL, but it is long gone.

> Tserver failed to delete WAL
> ----------------------------
>
>                 Key: ACCUMULO-2711
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2711
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.6.0
>         Environment: 1.6.0-RC3, cdh4.5.0, physical cluster
>            Reporter: Mike Drob
>
> Running CI with agitation, saw the following in one of the tserver logs:
> {noformat}
> 2014-04-22 07:02:02,288 [tserver.TabletServer] INFO : Deleting walog hdfs://nameservice1/accumulo/wal/tserver1.example.com+10011/fe91611c-8e54-4527-87d2-9003a07c5566
> 2014-04-22 07:02:02,389 [tserver.TabletServer] WARN : Error attempting to delete write-ahead
log hdfs://nameservice1/accumulo/wal/tserver1.example.com+10011/fe91611c-8e54-4527-87d2-9003a07c5566:
java.io.IOException: Failed to move to trash: hdfs://nameservice1/accumulo/recovery/fe91611c-8e54-4527-87d2-9003a07c5566
> {noformat}



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