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https://issues.apache.org/jira/browse/HBASE-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15763558#comment-15763558
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Hudson commented on HBASE-17332:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-Trunk_matrix #2164 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/2164/])
HBASE-17332 Replace HashMap to Array for DataBlockEncoding.idToEncoding
(binlijin: rev b7bde350a160f2481e8dcbcf00702333d8a978cc)
* (add)
hbase-server/src/test/java/org/apache/hadoop/hbase/io/encoding/TestDataBlockEncoding.java
* (edit)
hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.java
> Replace HashMap to Array for DataBlockEncoding.idToEncoding
> -----------------------------------------------------------
>
> Key: HBASE-17332
> URL: https://issues.apache.org/jira/browse/HBASE-17332
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 2.0.0, 1.4.0
> Reporter: binlijin
> Assignee: binlijin
> Fix For: 2.0.0, 1.4.0
>
> Attachments: DBE.idToEncoding.png,
> DBE.idToEncoding_afterOptimize.png, HBASE-17332.V2.patch,
> HBASE-17332.V3.patch, HBASE-17332.branch-1.V1.patch, HBASE-17332.patch
>
>
> Array is faster than HashMap also no need to autoboxing.
> I can see the DataBlockEncoding#getDataBlockEncoderById is a hot method if
> enable encoding in my perf test(Random read, all data cache in
> LruBlockCache).
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