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Posted to notifications@accumulo.apache.org by "Eric Newton (JIRA)" <ji...@apache.org> on 2014/02/14 20:10:21 UTC
[jira] [Assigned] (ACCUMULO-2361) droptable created infinite
METADATA scan loop
[ https://issues.apache.org/jira/browse/ACCUMULO-2361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Newton reassigned ACCUMULO-2361:
-------------------------------------
Assignee: Eric Newton
> droptable created infinite METADATA scan loop
> ---------------------------------------------
>
> Key: ACCUMULO-2361
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2361
> Project: Accumulo
> Issue Type: Bug
> Affects Versions: 1.5.0
> Reporter: Chris McCubbin
> Assignee: Eric Newton
>
> Working with [~vines] on this one...
> Setup: Created a couple tables, added some data, then dropped them. The drop hangs and !METADATA (which has ~400 entries) is scanned in what looks like an infinite loop.
> The table being dropped loks like this in !METADATA:
> {code}
> root@sqrrl> scan -b 3 -e 5 -t !METADATA
> 4;\x00\x00\x06f srv:dir [] /t-00000b6
> 4;\x00\x00\x06f srv:lock [] tservers/10.10.1.209:9997/zlock-0000000000$144274cd317000b
> 4;\x00\x00\x06f srv:time [] M0
> 4;\x00\x00\x06f ~tab:~pr [] \x00
> 4;\x00\x00\x0C\xCC loc:144274cd3170008 [] 10.10.1.107:9997
> 4;\x00\x00\x0C\xCC srv:dir [] /t-00000bj
> 4;\x00\x00\x0C\xCC srv:lock [] tservers/10.10.1.209:9997/zlock-0000000000$144274cd317000b
> 4;\x00\x00\x0C\xCC srv:time [] M0
> 4;\x00\x00\x0C\xCC ~tab:~pr [] \x01\x00\x00\x06f
> 4;\x00\x00\x133 srv:dir [] /t-000002h
> 4;\x00\x00\x133 srv:lock [] tservers/10.10.1.209:9997/zlock-0000000000$144274cd317000b
> 4;\x00\x00\x133 srv:time [] M0
> 4;\x00\x00\x133 ~tab:~pr [] \x01\x00\x00\x0C\xCC
> {code}
> We think this may be the relevant message in the master debug logs:
> {code}
> 2014-02-12 19:13:31,397 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,459 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,524 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,588 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,662 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,725 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,788 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,854 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> 2014-02-12 19:13:31,917 [tableOps.CleanUp] DEBUG: Still waiting for table to be deleted: 4 saw inconsistencynull 4;^@^@^L?;^@^@^Ff
> ...etc
> {code}
> Graceful accumulo reboot hangs.
> Hard reboot of everything (control-c'd) clears the problem.
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