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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17319) Truncate table with preserve after split may cause truncation to fail
Date Mon, 19 Dec 2016 02:45:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-17319:
---------------------------
    Status: Open  (was: Patch Available)

> Truncate table with preserve after split may cause truncation to fail
> ---------------------------------------------------------------------
>
>                 Key: HBASE-17319
>                 URL: https://issues.apache.org/jira/browse/HBASE-17319
>             Project: HBase
>          Issue Type: Bug
>          Components: Admin
>    Affects Versions: 1.2.4, 1.1.7
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>             Fix For: 1.4.0
>
>         Attachments: 17319.stack, HBASE-17319-branch-1.patch, HBASE-17319.patch
>
>
> In truncateTableProcedue , when getting tables regions  from meta to recreate new regions,
split parents are not excluded, so the new regions can end up with the same start key, and
the same region dir:
> {noformat}
> 2016-12-14 20:15:22,231 WARN  [RegionOpenAndInitThread-writetest-1] regionserver.HRegionFileSystem:
Trying to create a region that already exists on disk: hdfs://hbasedev1/zhengyan-hbase11-func2/.tmp/data/default/writetest/9b2c8d1539cd92661703ceb8a4d518a1
> {noformat} 
> The truncateTableProcedue will retry forever and never get success.
> A attached unit test shows everything.



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