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Posted to dev@hbase.apache.org by "Matteo Bertozzi (JIRA)" <ji...@apache.org> on 2015/06/12 17:03:02 UTC
[jira] [Created] (HBASE-13894) Avoid visitor allocator each call of
ByteBufferArray get/putMultiple()
Matteo Bertozzi created HBASE-13894:
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Summary: Avoid visitor allocator each call of ByteBufferArray get/putMultiple()
Key: HBASE-13894
URL: https://issues.apache.org/jira/browse/HBASE-13894
Project: HBase
Issue Type: Improvement
Components: regionserver
Affects Versions: 1.1.0, 1.0.1, 2.0.0
Reporter: Matteo Bertozzi
Assignee: Matteo Bertozzi
Priority: Minor
Fix For: 2.0.0, 1.1.1
ByteBufferArray getMultiple()/putMultiple() creates a new Visitor each call. we can move that visitor out.
also, ByteBufferArray.multiple() seems to be an hotspot, I tried to do some experiments using slice and read/write lock instead of a mutex, doesn't seems to change much. any thoughts?
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