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Posted to issues@hawq.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/11/09 04:26:11 UTC
[jira] [Commented] (HAWQ-137) Update hdfs-client.xml and
yarn-client.xml
[ https://issues.apache.org/jira/browse/HAWQ-137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14995982#comment-14995982 ]
ASF GitHub Bot commented on HAWQ-137:
-------------------------------------
GitHub user radarwave opened a pull request:
https://github.com/apache/incubator-hawq/pull/84
HAWQ-137. Update hdfs-client.xml and yarn-client.xml configuration.
Passed installcheck-good test and sanity test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/radarwave/incubator-hawq HAWQ-137
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-hawq/pull/84.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #84
----
commit 0a98540f0b545d1d82eaaa650baeef4c4f9a2138
Author: rlei <rl...@pivotal.io>
Date: 2015-11-06T09:08:51Z
HAWQ-137. Update hdfs-client.xml and yarn-client.xml configuration.
----
> Update hdfs-client.xml and yarn-client.xml
> ------------------------------------------
>
> Key: HAWQ-137
> URL: https://issues.apache.org/jira/browse/HAWQ-137
> Project: Apache HAWQ
> Issue Type: Improvement
> Components: libhdfs, libyarn
> Reporter: Radar Lei
> Assignee: Radar Lei
>
> 1. On linux. The following parameters should be set both in hdfs-site.xml and hdfs-client.xml.
> <property>
> <name>dfs.client.read.shortcircuit</name>
> <value>true</value>
> <description>
> This configuration parameter turns on short-circuit local reads.
> </description>
> </property>
> <property>
> <name>dfs.domain.socket.path</name>
> <value>/var/lib/hadoop-hdfs/hdfs_domain</value>
> <description>
> Optional. This is a path to a UNIX domain socket that will be used for
> communication between the DataNode and local HDFS clients.
> If the string "_PORT" is present in this path, it will be replaced by the
> TCP port of the DataNode.
> </description>
> </property>
> <property>
> <name>dfs.client.use.legacy.blockreader.local</name>
> <value>false</value>
> <description>
> Legacy short-circuit reader implementation based on HDFS-2246 is used
> if this configuration parameter is true.
> This is for the platforms other than Linux
> where the new implementation based on HDFS-347 is not available.
> </description>
> </property>
> 2. Minor changes to yarn-client.xml for default port number.
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