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https://issues.apache.org/jira/browse/HDFS-6108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13937786#comment-13937786
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Hadoop QA commented on HDFS-6108:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12635058/HDFS-6108-v2.txt
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 1 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 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/6412//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6412//console
This message is automatically generated.
> make the length of the range in sync_file_range() configurable
> --------------------------------------------------------------
>
> Key: HDFS-6108
> URL: https://issues.apache.org/jira/browse/HDFS-6108
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.0.0, 2.3.0
> Reporter: Liang Xie
> Assignee: Liang Xie
> Attachments: HDFS-6108-v2.txt, HDFS-6108.txt
>
>
> Current codebase has a hard code value for sync_file_range system call, we'd
> better to make it configurable, since different scenario probably has a
> different/better value for it. (ps: i found it's 1 * 1024 * 1024 in fb-20
> branch)
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