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https://issues.apache.org/jira/browse/HBASE-4579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans updated HBASE-4579:
--------------------------------------
Attachment: HBASE-4579-v2.patch
Ted pointed out offline that setting the priority higher is actually putting it
farther in the queue, and upon inspection of the code it seems like the
blocking stuff is already taken care of.
I must say, the compaction priority code isn't easy to grok.
> 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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