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Date: Sat, 2 Nov 2013 03:17:17 +0000 (UTC)
From: "Josh Elser (JIRA)" <jira@apache.org>
To: notifications@accumulo.apache.org
Message-ID: <JIRA.12676989.1383271452938.9941.1383362236992@arcas>
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Subject: [jira] [Resolved] (ACCUMULO-1840) Deleted WAL still referenced in
 !METADATA
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     [ https://issues.apache.org/jira/browse/ACCUMULO-1840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Elser resolved ACCUMULO-1840.
----------------------------------

    Resolution: Duplicate

> Deleted WAL still referenced in !METADATA
> -----------------------------------------
>
>                 Key: ACCUMULO-1840
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1840
>             Project: Accumulo
>          Issue Type: Bug
>          Components: gc, master, tserver
>            Reporter: Josh Elser
>            Priority: Critical
>             Fix For: 1.6.0
>
>
> Running b0da55 locally with hadoop2.2.0.
> I wrote some data to a number of tables. Killed the tabletserver. The tabletserver failed to complete recovery because it ran out of memory.
> I upped the tserver's heap, and restarted it. !METADATA and !!ROOT are online and have all tablets assigned, but none of the other tables are coming online. There's a log entry for each of the tables that aren't online. Each of those tables have only one tablet.
> {noformat}
> log:localhost+9997/hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/3f941aa2-0cf8-42f5-8135-fb51a07c5c1a
> {noformat}
> Looking for that WAL in the GC's log results in: 
> {noformat}
> 2013-10-31 21:03:26,805 [util.MetadataTableUtil] INFO : Returning logs [!!R<< hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/56c7a37f-06bd-49ad-ad18-72dd787f8ae3 (1), !!R<< hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/3f941aa2-0cf8-42f5-8135-fb51a07c5c1a (1)] for extent !!R<<
> 2013-10-31 21:03:26,815 [gc.GarbageCollectWriteAheadLogs] DEBUG: deleted [hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/6f1facae-7d5f-4c74-8a41-8621921af85f, hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/56c7a37f-06bd-49ad-ad18-72dd787f8ae3, hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/3f941aa2-0cf8-42f5-8135-fb51a07c5c1a] from localhost+9997
> 2013-10-31 21:08:27,105 [util.MetadataTableUtil] INFO : Returning logs [!!R<< hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/3f941aa2-0cf8-42f5-8135-fb51a07c5c1a (1)] for extent !!R<<
> 2013-10-31 21:08:27,115 [gc.GarbageCollectWriteAheadLogs] DEBUG: deleted [hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/56c7a37f-06bd-49ad-ad18-72dd787f8ae3, hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/3f941aa2-0cf8-42f5-8135-fb51a07c5c1a] from localhost+9997
> 2013-10-31 21:14:25,667 [gc.GarbageCollectWriteAheadLogs] DEBUG: deleted [hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/20b1adb0-9c5f-4027-82d2-c8e1a1be9f87, hdfs://localhost:8020/accumulo1.6/wal/localhost+9997/3f941aa2-0cf8-42f5-8135-fb51a07c5c1a] from localhost+9997
> 2013-10-31 21:14:25,667 [gc.GarbageCollectWriteAheadLogs] DEBUG: Removing sorted WAL hdfs://localhost:8020/accumulo1.6/recovery/3f941aa2-0cf8-42f5-8135-fb51a07c5c1a
> {noformat}


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