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Date: Fri, 30 Oct 2015 22:08:27 +0000 (UTC)
From: "Ted Yu (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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 <JIRA.12903188.1444261633077@arcas>
Subject: [jira] [Commented] (HBASE-14575) Reduce scope of compactions
 holding region lock
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    [ https://issues.apache.org/jira/browse/HBASE-14575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14983449#comment-14983449 ] 

Ted Yu commented on HBASE-14575:
--------------------------------

{code}
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.19:test (secondPartTestsExecution) on project hbase-server: ExecutionException Error occurred in starting fork, check output in log -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hbase-server
grep: unknown devices method
We're ok: there is no zombie test
{code}
Looks like test environment had issue.

> Reduce scope of compactions holding region lock
> -----------------------------------------------
>
>                 Key: HBASE-14575
>                 URL: https://issues.apache.org/jira/browse/HBASE-14575
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction, regionserver
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>         Attachments: 14575-v1.patch, 14575-v2.patch, 14575-v3.patch, 14575-v4.patch, 14575.v00.patch
>
>
> Per [~devaraj]'s idea on parent issue, let's see if we can reduce the scope of critical section under which compactions hold the region read lock.



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