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From "Allan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17319) Truncate table with preserve after split may cause truncate fail
Date Thu, 15 Dec 2016 06:31:58 GMT

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

Allan Yang updated HBASE-17319:
-------------------------------
    Status: Patch Available  (was: Open)

> Truncate table with preserve after split may cause truncate 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
>
> 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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