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https://issues.apache.org/jira/browse/HBASE-10371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl reopened HBASE-10371:
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Lemme keep this open until we have committed to 0.94 and (I guess) 0.96.
> Compaction creates empty hfile, then selects this file for compaction and
> creates empty hfile and over again
> ------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-10371
> URL: https://issues.apache.org/jira/browse/HBASE-10371
> Project: HBase
> Issue Type: Bug
> Reporter: binlijin
> Assignee: binlijin
> Fix For: 0.98.0, 0.96.2, 0.99.0, 0.94.17
>
> Attachments: 10371-trunk-3.patch, HBASE-10371-94.patch,
> HBASE-10371-trunk-2.patch, HBASE-10371-trunk.patch
>
>
> (1) Select HFile for compaction
> {code}
> 2014-01-16 01:01:25,111 INFO
> org.apache.hadoop.hbase.regionserver.compactions.CompactSelection: Deleting
> the expired store file by compaction:
> hdfs://dump002002.cm6:9000/hbase-0.90/storagetable/7d8941661904fb99a41f79a1fce47767/a/f3e38d10d579420494079e17a2557f0b
> whose maxTimeStamp is -1 while the max expired timestamp is 1389632485111
> {code}
> (2) Compact
> {code}
> 2014-01-16 01:01:26,042 DEBUG org.apache.hadoop.hbase.regionserver.Compactor:
> Compacting
> hdfs://dump002002.cm6:9000/hbase-0.90/storagetable/7d8941661904fb99a41f79a1fce47767/a/f3e38d10d579420494079e17a2557f0b,
> keycount=0, bloomtype=NONE, size=534, encoding=NONE
> 2014-01-16 01:01:26,045 DEBUG org.apache.hadoop.hbase.util.FSUtils: Creating
> file=hdfs://dump002002.cm6:9000/hbase-0.90/storagetable/7d8941661904fb99a41f79a1fce47767/.tmp/40de5d79f80e4fb197e409fb99ab0fd8
> with permission=rwxrwxrwx
> 2014-01-16 01:01:26,076 INFO org.apache.hadoop.hbase.regionserver.Store:
> Renaming compacted file at
> hdfs://dump002002.cm6:9000/hbase-0.90/storagetable/7d8941661904fb99a41f79a1fce47767/.tmp/40de5d79f80e4fb197e409fb99ab0fd8
> to
> hdfs://dump002002.cm6:9000/hbase-0.90/storagetable/7d8941661904fb99a41f79a1fce47767/a/40de5d79f80e4fb197e409fb99ab0fd8
> 2014-01-16 01:01:26,142 INFO org.apache.hadoop.hbase.regionserver.Store:
> Completed compaction of 1 file(s) in a of
> storagetable,01:,1369377609136.7d8941661904fb99a41f79a1fce47767. into
> 40de5d79f80e4fb197e409fb99ab0fd8, size=534; total size for store is 399.0 M
> 2014-01-16 01:01:26,142 INFO
> org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest: completed
> compaction:
> regionName=storagetable,01:,1369377609136.7d8941661904fb99a41f79a1fce47767.,
> storeName=a, fileCount=1, fileSize=534, priority=16, time=18280340606333745;
> duration=0sec
> {code}
> (3) Select HFile for compaction
> {code}
> 2014-01-16 03:48:05,120 INFO
> org.apache.hadoop.hbase.regionserver.compactions.CompactSelection: Deleting
> the expired store file by compaction:
> hdfs://dump002002.cm6:9000/hbase-0.90/storagetable/7d8941661904fb99a41f79a1fce47767/a/40de5d79f80e4fb197e409fb99ab0fd8
> whose maxTimeStamp is -1 while the max expired timestamp is 1389642485120
> {code}
> (4) Compact
> {code}
> 2014-01-16 03:50:17,731 DEBUG org.apache.hadoop.hbase.regionserver.Compactor:
> Compacting
> hdfs://dump002002.cm6:9000/hbase-0.90/storagetable/7d8941661904fb99a41f79a1fce47767/a/40de5d79f80e4fb197e409fb99ab0fd8,
> keycount=0, bloomtype=NONE, size=534, encoding=NONE
> 2014-01-16 03:50:17,732 DEBUG org.apache.hadoop.hbase.util.FSUtils: Creating
> file=hdfs://dump002002.cm6:9000/hbase-0.90
> {code}
> ...
> this loop for ever.
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