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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1522) We delete splits before their time occasionally
Date Mon, 15 Jun 2009 05:40:07 GMT
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
            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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