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Posted to dev@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2014/01/27 20:52:39 UTC
[jira] [Resolved] (HBASE-10371) Compaction creates empty hfile,
then selects this file for compaction and creates empty hfile and over
again
[ https://issues.apache.org/jira/browse/HBASE-10371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lars Hofhansl resolved HBASE-10371.
-----------------------------------
Resolution: Fixed
Committed to 0.94 and 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-10371-94-2.patch, HBASE-10371-94.patch, HBASE-10371-96.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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