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https://issues.apache.org/jira/browse/HBASE-1023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack resolved HBASE-1023.
--------------------------
Resolution: Fixed
Resolving by adding log of global flush checker events. Let HBASE-1027 be
about changing global checker so it operates on percentages of heap rather than
on hardcoded MB sizes.
> Check global flusher
> --------------------
>
> Key: HBASE-1023
> URL: https://issues.apache.org/jira/browse/HBASE-1023
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: stack
> Fix For: 0.19.0
>
>
> It doesn't seem to be responsive:
> {code}
> 2008-11-22 16:48:53,135 INFO
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Flushing
> streamitems,(�,1227400186823 because over global limit of 536870912
> 2008-11-22 16:48:53,135 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Started memcache flush for region streamitems,(�,1227400186823. Current
> region memcache size 52.8m
> 2008-11-22 16:48:55,385 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Added /hbase/streamitems/813580134/content/mapfiles/5603572683448576472 with
> 86534 entries, sequence id 12187148, data size 52.8m, file size 54.2m to
> streamitems,(�,1227400186823
> 2008-11-22 16:48:55,385 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Finished memcache flush for region streamitems,(�,1227400186823 in 2250ms,
> sequence id=12187148, compaction requested=true
> 2008-11-22 16:48:55,385 INFO
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Flushing
> streamitems,8�!,1227399924602 because over global limit of 536870912
> 2008-11-22 16:48:55,385 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Started memcache flush for region streamitems,8�!,1227399924602. Current
> region memcache size 52.6m
> 2008-11-22 16:48:58,588 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Added /hbase/streamitems/1172538122/content/mapfiles/7009988811547233403 with
> 99947 entries, sequence id 12187149, data size 52.6m, file size 54.2m to
> streamitems,8�!,1227399924602
> 2008-11-22 16:48:58,588 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Finished memcache flush for region streamitems,8�!,1227399924602 in 3203ms,
> sequence id=12187149, compaction requested=true
> 2008-11-22 16:48:58,588 INFO
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Flushing
> streamitems,Vd�,1227400051975 because over global limit of 536870912
> 2008-11-22 16:48:58,588 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Started memcache flush for region streamitems,Vd�,1227400051975. Current
> region memcache size 52.0m
> 2008-11-22 16:49:03,572 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Added /hbase/streamitems/726818092/content/mapfiles/403342470777430233 with
> 118178 entries, sequence id 12202257, data size 52.0m, file size 53.9m to
> streamitems,Vd�,1227400051975
> 2008-11-22 16:49:03,603 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Finished memcache flush for region streamitems,Vd�,1227400051975 in 5015ms,
> sequence id=12202257, compaction requested=false
> 2008-11-22 16:49:03,603 INFO
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Flushing
> streamitems,��+,1227400373676 because over global limit of 536870912
> 2008-11-22 16:49:03,603 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Started memcache flush for region streamitems,��+,1227400373676. Current
> region memcache size 44.8m
> 2008-11-22 16:49:06,464 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Added /hbase/streamitems/1145535262/content/mapfiles/6954031123453241243 with
> 103669 entries, sequence id 12229234, data size 44.8m, file size 46.5m to
> streamitems,��+,1227400373676
> 2008-11-22 16:49:06,464 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Finished memcache flush for region streamitems,��+,1227400373676 in 2861ms,
> sequence id=12229234, compaction requested=false
> 2008-11-22 16:49:06,464 INFO
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Flushing
> streamitems,i�k,1227399955582 because over global limit of 536870912
> 2008-11-22 16:49:06,464 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Started memcache flush for region streamitems,i�k,1227399955582. Current
> region memcache size 40.7m
> 2008-11-22 16:49:08,239 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Added /hbase/streamitems/192477361/content/mapfiles/1760086866679202983 with
> 86915 entries, sequence id 12230327, data size 40.7m, file size 42.1m to
> streamitems,i�k,1227399955582
> 2008-11-22 16:49:08,239 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Finished memcache flush for region streamitems,i�k,1227399955582 in 1775ms,
> sequence id=12230327, compaction requested=true
> 2008-11-22 16:49:08,239 INFO
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Flushing
> streamitems,x�,1227400725833 because over global limit of 536870912
> 2008-11-22 16:49:08,239 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Started memcache flush for region streamitems,x�,1227400725833. Current
> region memcache size 38.5m
> 2008-11-22 16:49:09,569 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Added /hbase/streamitems/675890649/content/mapfiles/3120613868583981443 with
> 67978 entries, sequence id 12230328, data size 38.5m, file size 39.5m to
> streamitems,x�,1227400725833
> 2008-11-22 16:49:09,570 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Finished memcache flush for region streamitems,x�,1227400725833 in 1331ms,
> sequence id=12230328, compaction requested=false
> 2008-11-22 16:49:24,241 INFO org.apache.hadoop.hbase.regionserver.LogRoller:
> Rolling hlog. Number of entries: 100002
> {code}
> Why all the flushes? Why is global size same though we've dumped some
> flushes?
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