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

             Summary: 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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