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https://issues.apache.org/jira/browse/HBASE-11444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14055808#comment-14055808
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Hudson commented on HBASE-11444:
--------------------------------
FAILURE: Integrated in HBase-TRUNK #5280 (See
[https://builds.apache.org/job/HBase-TRUNK/5280/])
HBASE-11444 Remove use of reflection for User#getShortName (apurtell: rev
cec30fd8a498d9f0456cf8e43294fa0071a661e3)
* hbase-common/src/main/java/org/apache/hadoop/hbase/security/User.java
> Remove use of reflection for User#getShortName
> ----------------------------------------------
>
> Key: HBASE-11444
> URL: https://issues.apache.org/jira/browse/HBASE-11444
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.98.3
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Fix For: 0.99.0, 0.98.4, 2.0.0
>
> Attachments: HBASE-11444.patch, HBASE-11444.patch,
> IntegrationTestIngestWithACL.get.svg, IntegrationTestIngestWithACL.get.svg,
> IntegrationTestIngestWithACL.put.svg, IntegrationTestIngestWithACL.put.svg
>
>
> The time we spend looking up a user's short name with User#getShortName in
> hot security code paths is mostly spent in Class#getMethod, ~70%. This is
> only ~1% of overall CPU time but is the bulk of time spent in
> AccessController#prePut, for example.
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