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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