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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5877) Allow all nm-whitelist-env to get overridden during launch
Date Mon, 14 Nov 2016 10:30:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-5877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15663266#comment-15663266
] 

Bibin A Chundatt edited comment on YARN-5877 at 11/14/16 10:30 AM:
-------------------------------------------------------------------

But when we write {{launch_container.sh}} also shouldn't  we take care of all {{nodemanger-whitelist}}
could be taken from env  which could help in {{Docker}} ?.

If i add new property like {{HADOOP_MAPRED_HOME}} in {{nodemanger-whitelist}} during launch
{{HADOOP_MAPRED_HOME}} from docker env could be taken by default.

I do aggree that we do have another option to pass as env for each application but if {{HADOOP_MAPRED_HOME}}
is different in each image then could fail randomly rt?

Plz do correct me if i am wrong.


was (Author: bibinchundatt):
But when we write to {{launch_container}} of also shouldn't  we have to take care,so that
rather than Nodemanager default the system env could be taken during launch container too.
{{Docker}} case wouldnt this help?. If i add new property like {{HADOOP_MAPRED_HOME}} in {{nodemanger-whitelist}}
during launch {{HADOOP_MAPRED_HOME}} from docker env we could take by default. 

Plz do correct me if i am wrong.

> Allow all nm-whitelist-env to get overridden during launch
> ----------------------------------------------------------
>
>                 Key: YARN-5877
>                 URL: https://issues.apache.org/jira/browse/YARN-5877
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>
> As per the {{yarn.nodemanager.env-whitelist}} for the configured values should  containers
may override rather than use NodeManager's default.
> {code}
>   <property>
>     <description>Environment variables that containers may override rather than
use NodeManager's default.</description>
>     <name>yarn.nodemanager.env-whitelist</name>
>     <value>JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,CLASSPATH_PREPEND_DISTCACHE,HADOOP_YARN_HOME</value>
>   </property>
> {code}
> But only the following containers can override
> {code}
>     whitelist.add(ApplicationConstants.Environment.HADOOP_YARN_HOME.name());
>     whitelist.add(ApplicationConstants.Environment.HADOOP_COMMON_HOME.name());
>     whitelist.add(ApplicationConstants.Environment.HADOOP_HDFS_HOME.name());
>     whitelist.add(ApplicationConstants.Environment.HADOOP_CONF_DIR.name());
>     whitelist.add(ApplicationConstants.Environment.JAVA_HOME.name());
> {code}



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