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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8966) Delta files created by hive hcatalog streaming cannot be compacted
Date Sat, 24 Jan 2015 01:39:36 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates updated HIVE-8966:
-----------------------------
    Attachment: HIVE-8966.6.patch

Final version of the patch.  Moved ValidCompactorTxnList per Owen's request.  Also made small
changes to StreamingIntegrationTester to make it work properly in cases where you want it
to go slowly.

> Delta files created by hive hcatalog streaming cannot be compacted
> ------------------------------------------------------------------
>
>                 Key: HIVE-8966
>                 URL: https://issues.apache.org/jira/browse/HIVE-8966
>             Project: Hive
>          Issue Type: Bug
>          Components: HCatalog
>    Affects Versions: 0.14.0
>         Environment: hive
>            Reporter: Jihong Liu
>            Assignee: Alan Gates
>            Priority: Critical
>             Fix For: 0.14.1
>
>         Attachments: HIVE-8966.2.patch, HIVE-8966.3.patch, HIVE-8966.4.patch, HIVE-8966.5.patch,
HIVE-8966.6.patch, HIVE-8966.patch
>
>
> hive hcatalog streaming will also create a file like bucket_n_flush_length in each delta
directory. Where "n" is the bucket number. But the compactor.CompactorMR think this file also
needs to compact. However this file of course cannot be compacted, so compactor.CompactorMR
will not continue to do the compaction. 
> Did a test, after removed the bucket_n_flush_length file, then the "alter table partition
compact" finished successfully. If don't delete that file, nothing will be compacted. 
> This is probably a very severity bug. Both 0.13 and 0.14 have this issue



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