Vladimir Rodionov created HBASE-15542:
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Summary: Minimize garbage allocation during compaction
Key: HBASE-15542
URL: https://issues.apache.org/jira/browse/HBASE-15542
Project: HBase
Issue Type: Improvement
Components: Compaction
Affects Versions: 2.0.0
Reporter: Vladimir Rodionov
Assignee: Vladimir Rodionov
Fix For: 2.0.0
Compactions are CPU-bound, not I/O bound. We can mitigate this by increasing
number of compaction threads for small and large compactions, but excessive
object allocation limits maximum number of compaction threads we can use w/o
bringing down RS due to very frequent GC cycles.
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