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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8279) Use Mesos/YARN temp directories as fallback for BlobServer/Cache temp directories
Date Mon, 08 Jan 2018 14:05:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16316366#comment-16316366
] 

ASF GitHub Bot commented on FLINK-8279:
---------------------------------------

Github user StefanRRichter commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5176#discussion_r160150281
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobUtils.java ---
    @@ -72,6 +75,8 @@
     	 */
     	static final String NO_JOB_DIR_PREFIX = "no_job";
     
    +	private static final Random rnd = new Random();
    --- End diff --
    
    By convention, this field name should be all uppercase.


> Use Mesos/YARN temp directories as fallback for BlobServer/Cache temp directories
> ---------------------------------------------------------------------------------
>
>                 Key: FLINK-8279
>                 URL: https://issues.apache.org/jira/browse/FLINK-8279
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Coordination, Network
>    Affects Versions: 1.4.0
>            Reporter: Nico Kruber
>            Assignee: Nico Kruber
>
> Currently, the BLOB server and cache processes (temporarily) stash incoming files into
their local file system in the directory given by the {{blob.storage.directory}} configuration
property. If this property is not set or empty, it will fall back to {{java.io.tmpdir}}.
> Instead, in a Mesos/YARN environment, we could use the temporary directories they assigned
to the Flink job which are not only the proper folder to use, but may also offer some more
space.



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