Details
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Sub-task
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Status: Resolved
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Major
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Resolution: Fixed
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2.0.1
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None
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Reviewed
Description
Looks like this with a PE random write loading:
./hbase/bin/hbase --config ~/conf_hbase org.apache.hadoop.hbase.PerformanceEvaluation --nomapred --presplit=40 --size=30 --columns=10 --valueSize=100 randomWrite 200
... against a single server.
12.47% perf-91935.map [.] Lorg/apache/hadoop/hbase/BBKVComparator;::compare
10.42% libjvm.so [.] ParNewGeneration::copy_to_survivor_space_avoiding_promotion_undo(ParScanThreadState*, oopDesc*, unsigned long, markOopDesc*)
6.78% perf-91935.map [.] Lorg/apache/hadoop/hbase/regionserver/MemStoreLABImpl;::copyCellInto
....
These are top CPU consumers using perf-map-agent ./bin/perf-java-top...
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