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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14279) Race condition in ConcurrentIndex
Date Tue, 10 Nov 2015 10:19:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14998353#comment-14998353
] 

Hadoop QA commented on HBASE-14279:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12771510/HBASE-14279_v5.patch
  against master branch at commit 112900d0425a8157b89041f0e353ebf5cc259c69.
  ATTACHMENT ID: 12771510

    {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:red}-1 release audit{color}.  The applied patch generated 1 release audit warnings
(more than the master's current 0 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/16475//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/16475//artifact/patchprocess/patchReleaseAuditWarnings.txt
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/16475//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/16475//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/16475//console

This message is automatically generated.

> Race condition in ConcurrentIndex
> ---------------------------------
>
>                 Key: HBASE-14279
>                 URL: https://issues.apache.org/jira/browse/HBASE-14279
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Hiroshi Ikeda
>            Assignee: Heng Chen
>            Priority: Minor
>         Attachments: HBASE-14279.patch, HBASE-14279_v2.patch, HBASE-14279_v3.patch, HBASE-14279_v4.patch,
HBASE-14279_v5.patch, LockStripedBag.java
>
>
> {{ConcurrentIndex.put}} and {{remove}} are in race condition. It is possible to remove
a non-empty set, and to add a value to a removed set. Also {{ConcurrentIndex.values}} is vague
in sense that the returned set sometimes trace the current state and sometimes doesn't.



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