Flusher flushing back to back when it should not be
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Key: HADOOP-2673
URL: https://issues.apache.org/jira/browse/HADOOP-2673
Project: Hadoop
Issue Type: Bug
Components: contrib/hbase
Environment: hadoop svn 613782
Reporter: Billy Pearson
Fix For: 0.16.0
Attachments: log.log
settings:
hbase.regionserver.optionalcacheflushinterval = 300000 (5 mins)
hbase.hregion.memcache.flush.size = 67108864 (64MB)
I am attaching a log for this everything works fine until the first flush of
the memcache. but once it flushes the first time correctly it flushes back to
back many times even when it does not exceed one of the two limits above.
I have not found but one spot where we update the variable LastFlushTime except
when the server starts so this could be the problem but I may be missing it in
the code somewhere. If it is getting updated then we need to look if something
could be blocking it from updating after a memcache flush.
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