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https://issues.apache.org/jira/browse/HBASE-13894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14586482#comment-14586482
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Hudson commented on HBASE-13894:
--------------------------------
FAILURE: Integrated in HBase-1.2 #10 (See
[https://builds.apache.org/job/HBase-1.2/10/])
HBASE-13894 Avoid visitor alloc each call of ByteBufferArray get/putMultiple()
(matteo.bertozzi: rev ceba0659f0e9b4d0064682ee3838f0c9f6620715)
* hbase-common/src/main/java/org/apache/hadoop/hbase/util/ByteBufferArray.java
> Avoid visitor alloc 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: 2.0.0, 1.0.1, 1.1.0
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Priority: Minor
> Fix For: 2.0.0, 1.2.0, 1.1.1
>
> Attachments: HBASE-13894-v0.patch
>
>
> 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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