[jira] [Updated] (HAWQ-137) Update hdfs-client.xml and yarn-client.xml

["Lei Chang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HAWQ-137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lei Chang updated HAWQ-137:
---------------------------
    Fix Version/s: 2.0.0-beta-incubating

> 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
>             Fix For: 2.0.0-beta-incubating
>
>
> 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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