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Posted to notifications@accumulo.apache.org by "Eric Newton (JIRA)" <ji...@apache.org> on 2013/03/04 19:01:16 UTC

[jira] [Commented] (ACCUMULO-1143) unload of METADATA default_tablet with merging minor compactions can lockup

    [ https://issues.apache.org/jira/browse/ACCUMULO-1143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13592413#comment-13592413 ] 

Eric Newton commented on ACCUMULO-1143:
---------------------------------------

An easy fix is to not do merging minor compactions on the metadata table.

Alternatively, we could move the delete markers for the METADATA table into the root tablet.

                
> unload of METADATA default_tablet with merging minor compactions can lockup
> ---------------------------------------------------------------------------
>
>                 Key: ACCUMULO-1143
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1143
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>            Reporter: Eric Newton
>            Assignee: Keith Turner
>            Priority: Blocker
>             Fix For: 1.5.0
>
>
> Unloading the default tablet of the !METADATA table can result in a merging minor compaction.  This results in a delete marker for the unneeded resulting file.  The delete marker goes into the default tablet of !METADATA.  Which is offline while it performs its final minor compaction.

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