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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14756) Break out ClientBackoffPolicy factors into configurable and stackable components
Date Wed, 04 Nov 2015 18:51:28 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14990166#comment-14990166
] 

Hadoop QA commented on HBASE-14756:
-----------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12770606/HBASE-14756.patch
  against master branch at commit cfc5348b5eb60daad812e362c90c74341f10d3e6.
  ATTACHMENT ID: 12770606

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 4 new or modified
tests.

    {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions
(2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.6.1 2.7.0 2.7.1)

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 protoc{color}.  The applied patch does not increase the total number of
protoc compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 checkstyle{color}.  The applied patch does not increase the total number
of checkstyle errors

    {color:green}+1 findbugs{color}.  The patch does not introduce any  new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn post-site goal succeeds with this patch.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/16387//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/16387//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/16387//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/16387//console

This message is automatically generated.

> Break out ClientBackoffPolicy factors into configurable and stackable components
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-14756
>                 URL: https://issues.apache.org/jira/browse/HBASE-14756
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-14756.patch
>
>
> Currently ExponentialClientBackoffPolicy evaluates three load parameters sent back in
results from the server. The policy is fixed in implementation. Instead it should be possible
to define the collection of considered load factors via configuration, and for each selected
term parameterize how the load factor should contribute to the backoff calculation.



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