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From "Ted Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4579) CST.requestCompaction semantics changed, logs are now spammed when too many store files
Date Sat, 15 Oct 2011 01:46:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13128032#comment-13128032
] 

Ted Yu commented on HBASE-4579:
-------------------------------

+1 on patch v2.
                
> CST.requestCompaction semantics changed, logs are now spammed when too many store files
> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-4579
>                 URL: https://issues.apache.org/jira/browse/HBASE-4579
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>            Priority: Critical
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4579-v2.patch, HBASE-4579.patch
>
>
> Another bug I'm not so sure what's going on. I see this in my log:
> {quote}
> 2011-10-12 00:23:43,435 DEBUG org.apache.hadoop.hbase.regionserver.Store: info: no store
files to compact
> 2011-10-12 00:23:44,335 DEBUG org.apache.hadoop.hbase.regionserver.Store: info: no store
files to compact
> 2011-10-12 00:23:45,236 DEBUG org.apache.hadoop.hbase.regionserver.Store: info: no store
files to compact
> 2011-10-12 00:23:46,136 DEBUG org.apache.hadoop.hbase.regionserver.Store: info: no store
files to compact
> 2011-10-12 00:23:47,036 DEBUG org.apache.hadoop.hbase.regionserver.Store: info: no store
files to compact
> 2011-10-12 00:23:47,936 DEBUG org.apache.hadoop.hbase.regionserver.Store: info: no store
files to compact
> {quote}
> It spams for a while, and a little later instead I get:
> {quote}
> 2011-10-12 00:26:52,139 DEBUG org.apache.hadoop.hbase.regionserver.Store: Skipped compaction
of info.  Only 2 file(s) of size 176.4m have met compaction criteria.
> 2011-10-12 00:26:53,040 DEBUG org.apache.hadoop.hbase.regionserver.Store: Skipped compaction
of info.  Only 2 file(s) of size 176.4m have met compaction criteria.
> 2011-10-12 00:26:53,940 DEBUG org.apache.hadoop.hbase.regionserver.Store: Skipped compaction
of info.  Only 2 file(s) of size 176.4m have met compaction criteria.
> 2011-10-12 00:26:54,840 DEBUG org.apache.hadoop.hbase.regionserver.Store: Skipped compaction
of info.  Only 2 file(s) of size 176.4m have met compaction criteria.
> 2011-10-12 00:26:55,741 DEBUG org.apache.hadoop.hbase.regionserver.Store: Skipped compaction
of info.  Only 2 file(s) of size 176.4m have met compaction criteria.
> 2011-10-12 00:26:56,641 DEBUG org.apache.hadoop.hbase.regionserver.Store: Skipped compaction
of info.  Only 2 file(s) of size 176.4m have met compaction criteria.
> {quote}
> I believe I also saw something like that for flushes, but the region was closing so at
least I know why it was spamming (would be nice if it just unrequested the flush):
> {quote}
> 2011-10-12 00:26:40,693 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush requested
on TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.
> 2011-10-12 00:26:40,694 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: NOT flushing
memstore for region TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.,
flushing=false, writesEnabled=false
> 2011-10-12 00:26:40,733 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush requested
on TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.
> 2011-10-12 00:26:40,733 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: NOT flushing
memstore for region TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.,
flushing=false, writesEnabled=false
> 2011-10-12 00:26:40,873 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush requested
on TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.
> 2011-10-12 00:26:40,873 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: NOT flushing
memstore for region TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.,
flushing=false, writesEnabled=false
> 2011-10-12 00:26:40,873 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush requested
on TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.
> 2011-10-12 00:26:40,873 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: NOT flushing
memstore for region TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.,
flushing=false, writesEnabled=false
> 2011-10-12 00:26:40,921 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush requested
on TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.
> 2011-10-12 00:26:40,922 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: NOT flushing
memstore for region TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.,
flushing=false, writesEnabled=false
> 2011-10-12 00:26:40,923 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush requested
on TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.
> 2011-10-12 00:26:40,923 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: NOT flushing
memstore for region TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.,
flushing=false, writesEnabled=false
> 2011-10-12 00:26:40,923 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush requested
on TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.
> 2011-10-12 00:26:40,923 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: NOT flushing
memstore for region TestTable,0038168581,1318378894213.2beb8a1e29382a8d3e90a88b9662e5f5.,
flushing=false, writesEnabled=false
> {quote}

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