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https://issues.apache.org/jira/browse/HBASE-1522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12719631#action_12719631
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stack commented on HBASE-1522:
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Just to note that hbase-1495 had a patch to fix this and hbase-1523. Sorry you
had to find them yourself (My fault for letting 1495 hang out there so long).
Was going to commit along with proper fix for 1495, once I'd figure premature
parent removal. Will now see if recent commits have fixed the last problem
reported in 1495.
> We delete splits before their time occasionally
> -----------------------------------------------
>
> Key: HBASE-1522
> URL: https://issues.apache.org/jira/browse/HBASE-1522
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.0
> Reporter: ryan rawson
> Assignee: ryan rawson
> Priority: Blocker
> Fix For: 0.20.0
>
>
> the master logfile says:
> 2009-06-13 01:47:50,993 DEBUG org.apache.hadoop.hbase.master.BaseScanner:
> Looking for reference files in:
> hdfs://borg13:9000/hbase-1304/table/582659871/default2009-06-13 01:47:50,994
> DEBUG org.apache.hadoop.hbase.master.BaseScanner: isReference:
> hdfs://borg13:9000/hbase-1304/table/582659871/default/7693630986938671024
> 2009-06-13 01:47:50,995 DEBUG org.apache.hadoop.hbase.master.BaseScanner:
> table,,1244880487129/582659871 no longer has references to
> table,,1244877673805
> 2009-06-13 01:47:51,007 DEBUG org.apache.hadoop.hbase.master.BaseScanner:
> Looking for reference files in:
> hdfs://borg13:9000/hbase-1304/table/582659871/default2009-06-13 01:47:51,007
> DEBUG org.apache.hadoop.hbase.master.BaseScanner: isReference:
> hdfs://borg13:9000/hbase-1304/table/582659871/default/7693630986938671024
> 2009-06-13 01:47:51,008 DEBUG org.apache.hadoop.hbase.master.BaseScanner:
> table,,1244880487129/582659871 no longer has references to table,,12448776738
> 052009-06-13 01:47:51,009 INFO org.apache.hadoop.hbase.master.BaseScanner:
> Deleting region table,,1244877673805 (encoded=1481906432) because daughter
> splits no longe
> r hold references2009-06-13 01:47:51,009 DEBUG
> org.apache.hadoop.hbase.regionserver.HRegion: DELETING region
> hdfs://borg13:9000/hbase-1304/table/1481906432
> As you can see, apparently splitA and splitB point to the same region!
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