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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1039) Compaction fails if bloomfilters are enabled
Date Sun, 30 Nov 2008 18:45:44 GMT
Compaction fails if bloomfilters are enabled
--------------------------------------------

                 Key: HBASE-1039
                 URL: https://issues.apache.org/jira/browse/HBASE-1039
             Project: Hadoop HBase
          Issue Type: Bug
          Components: regionserver
    Affects Versions: 0.18.1
            Reporter: Andrew Purtell


>From Thibaut up on the list.

As soon as hbase tries to compact the table, the following exception appears in the logfile:
(Other compactations also work fine without any errors)

2008-11-30 00:55:57,769 ERROR
org.apache.hadoop.hbase.regionserver.CompactSplitThread: Compaction failed for region mytable,,1228002541526
java.lang.IllegalArgumentException: maxValue must be > 0
    at org.onelab.filter.HashFunction.<init>(HashFunction.java:84)
    at org.onelab.filter.Filter.<init>(Filter.java:97)
    at org.onelab.filter.BloomFilter.<init>(BloomFilter.java:102)
    at org.apache.hadoop.hbase.regionserver.HStoreFile$BloomFilterMapFile$Writer.<init>(HStoreFile.java:829)
    at org.apache.hadoop.hbase.regionserver.HStoreFile.getWriter(HStoreFile.java:436)
    at org.apache.hadoop.hbase.regionserver.HStore.compact(HStore.java:889)
    at org.apache.hadoop.hbase.regionserver.HRegion.compactStores(HRegion.java:902)
    at org.apache.hadoop.hbase.regionserver.HRegion.compactStores(HRegion.java:860)
    at org.apache.hadoop.hbase.regionserver.CompactSplitThread.run(CompactSplitThread.java:83)

Because the region cannot compact and/or split, it is soon dead after (re)assignment.

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