Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
Reply-To: hdfs-issues@hadoop.apache.org
Date: Tue, 26 Aug 2014 06:23:00 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12730624.1406671080707.11811.1409034180361@arcas>
In-Reply-To: <JIRA.12730624.1406671080707@arcas>
References: <JIRA.12730624.1406671080707@arcas>
Subject: [jira] [Commented] (HDFS-6773) MiniDFSCluster should skip edit log
 fsync by default
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


    [ https://issues.apache.org/jira/browse/HDFS-6773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14110360#comment-14110360 ] 

Hadoop QA commented on HDFS-6773:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12664301/HDFS-6773.2.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified test files.

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

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {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:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract
                  org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/7763//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/7763//console

This message is automatically generated.

> MiniDFSCluster should skip edit log fsync by default
> ----------------------------------------------------
>
>                 Key: HDFS-6773
>                 URL: https://issues.apache.org/jira/browse/HDFS-6773
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Stephen Chu
>         Attachments: HDFS-6773.1.patch, HDFS-6773.2.patch, HDFS-6773.2.patch
>
>
> The mini cluster is unnecessarily running with durable edit logs.  The following change cut runtime of a single test from ~30s to ~10s.
> {code}EditLogFileOutputStream.setShouldSkipFsyncForTesting(true);{code}
> The mini cluster should default to this behavior after identifying the few edit log tests that probably depend on durable logs.


--
This message was sent by Atlassian JIRA
(v6.2#6252)