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From "Stephan Ewen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8350) replace "taskmanager.tmp.dirs" with "env.io.tmp.dirs" for all components
Date Fri, 05 Jan 2018 13:06:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16313063#comment-16313063
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Stephan Ewen commented on FLINK-8350:
-------------------------------------

I think that we used the {{env}} prefix so far mainly for parameters evaluated in the scripts
or passed as command line arguments to the processes (heap size, java options, etc).

How about just calling them {{io.tmp.dirs}}.
Or one could introduce {{jobmanager.tmp.dirs}} - in many cases we found that it is helpful
to be able to configure JobManager and TaskManager differently.

> replace "taskmanager.tmp.dirs" with "env.io.tmp.dirs" for all components
> ------------------------------------------------------------------------
>
>                 Key: FLINK-8350
>                 URL: https://issues.apache.org/jira/browse/FLINK-8350
>             Project: Flink
>          Issue Type: Improvement
>          Components: Cluster Management, Configuration
>    Affects Versions: 1.4.0
>            Reporter: Nico Kruber
>            Assignee: Nico Kruber
>
> Currently, there is only a {{taskmanager.tmp.dirs}} configuration parameter which (if
unset) is set to YARN/Mesos' application environment paths (the latter not quite yet). With
FLINK-8279, we also used this as a fall-back for the BLOB caches and would like to use it
for the BLOB server as well. This, however, does not reside on the TaskManager and it only
makes sense to have a single temporary directory configuration parameter (if desired, this
could be extended).
> I propose to change this to a more generic {{env.io.tmp.dirs}} used by all components,
i.e. JobManager, JobMaster, Dispatcher, and all the TaskManager-related instances for both
YARN and Mesos.
>     
>     TODO: set this value to the appropriate folders for the JobManager code paths
>     during cluster deployment (this exists for the TaskManager only for now)



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