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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5815) Add resource files configuration for Yarn Mode
Date Thu, 02 Mar 2017 09:38:45 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15891925#comment-15891925

ASF GitHub Bot commented on FLINK-5815:

Github user wenlong88 commented on the issue:

    @tillrohrmann sorry for late response, I have addressed the comments. Thinks for the review.
    Currently for standalone, and mesos, there are already some ways to do things like that,
`--classpath `, `DistributedCache in batch` , we need to do some refactor and make all of
this more clear to user in the future before adding a new one. But it is necessary to make
flip-6 implementation in yarn run well.
    the test is not added because the `flink-yarn-test` is disabled, and I was not able to
enable it. Is there any problem in running yarn test now?

> Add resource files configuration for Yarn Mode
> ----------------------------------------------
>                 Key: FLINK-5815
>                 URL: https://issues.apache.org/jira/browse/FLINK-5815
>             Project: Flink
>          Issue Type: Improvement
>          Components: Client, YARN
>    Affects Versions: 1.3.0
>            Reporter: Wenlong Lyu
>            Assignee: Wenlong Lyu
> Currently in flink, when we want to setup a resource file to distributed cache, we need
to make the file accessible remotely by a url, which is often difficult to maintain a service
like that. What's more, when we want do add some extra jar files to job classpath, we need
to copy the jar files to blob server when submitting the jobgraph. In yarn, especially in
flip-6, the blob server is not running yet when we try to start a flink job. 
> Yarn has a efficient distributed cache implementation for application running on it,
what's more we can be easily share the files stored in hdfs in different application by distributed
cache without extra IO operations. 
> I suggest to introduce -yfiles, -ylibjars -yarchives options to FlinkYarnCLI to enable
yarn user setup their job resource files by yarn distributed cache. The options is compatible
with what is used in mapreduce, which make it easy to use for yarn user who generally has
experience on using mapreduce.

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