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Posted to dev@hbase.apache.org by "Nick Dimiduk (JIRA)" <ji...@apache.org> on 2014/03/19 20:01:46 UTC
[jira] [Created] (HBASE-10792) RingBufferTruck does not release its
payload
Nick Dimiduk created HBASE-10792:
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Summary: RingBufferTruck does not release its payload
Key: HBASE-10792
URL: https://issues.apache.org/jira/browse/HBASE-10792
Project: HBase
Issue Type: Bug
Components: Performance, wal
Affects Versions: 0.99.0
Reporter: Nick Dimiduk
Run a write-heavy workload (PerfEval sequentialWrite) out of a trunk sandbox and watch as HBase eventually dies with an OOM: heap space. Examining the heap dump shows an extremely large retained size of KeyValue and RingBufferTrunk instances. By my eye, the default value of {{hbase.regionserver.wal.disruptor.event.count}} is too large for such a small default heap size, or the RBT instances need to release their payloads after consumers retrieve them.
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