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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2018/04/27 00:50:00 UTC
[jira] [Comment Edited] (YARN-8079) Support specify files to be
downloaded (localized) before containers launched by YARN
[ https://issues.apache.org/jira/browse/YARN-8079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16455609#comment-16455609 ]
Wangda Tan edited comment on YARN-8079 at 4/27/18 12:49 AM:
------------------------------------------------------------
I'm too packed recently to finish this patch, discussed with [~suma.shivaprasad] offline and she will offer help to finish this JIRA. Just reassigned.
was (Author: leftnoteasy):
I'm a bit packed recently to finish this patch, discussed with [~suma.shivaprasad] offline and she will offer help to finish this JIRA. Just reassigned.
> Support specify files to be downloaded (localized) before containers launched by YARN
> -------------------------------------------------------------------------------------
>
> Key: YARN-8079
> URL: https://issues.apache.org/jira/browse/YARN-8079
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Wangda Tan
> Assignee: Suma Shivaprasad
> Priority: Critical
> Attachments: YARN-8079.001.patch, YARN-8079.002.patch, YARN-8079.003.patch, YARN-8079.004.patch, YARN-8079.005.patch, YARN-8079.006.patch
>
>
> Currently, {{srcFile}} is not respected. {{ProviderUtils}} doesn't properly read srcFile, instead it always construct {{remoteFile}} by using componentDir and fileName of {{destFile}}:
> {code}
> Path remoteFile = new Path(compInstanceDir, fileName);
> {code}
> To me it is a common use case which services have some files existed in HDFS and need to be localized when components get launched. (For example, if we want to serve a Tensorflow model, we need to localize Tensorflow model (typically not huge, less than GB) to local disk. Otherwise launched docker container has to access HDFS.
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