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From "chenliang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2367) “flink-xx-jobmanager-linux-3lsu.log" file can't auto be recovered/detected after mistaking delete
Date Mon, 17 Aug 2015 18:48:46 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14700015#comment-14700015

chenliang commented on FLINK-2367:

ok, your explanation looks reasonable. how about adding some note: "log file deleted during
runtime is not supported to be aware, this deletion operation belongs OS behavior, please
manually check if the written log file still exists".

> “flink-xx-jobmanager-linux-3lsu.log" file can't auto be recovered/detected after mistaking
> -------------------------------------------------------------------------------------------------
>                 Key: FLINK-2367
>                 URL: https://issues.apache.org/jira/browse/FLINK-2367
>             Project: Flink
>          Issue Type: Improvement
>          Components: JobManager
>    Affects Versions: 0.9
>         Environment: Linux
>            Reporter: chenliang
>            Priority: Minor
>              Labels: reliability
>             Fix For: 0.9.0
> For checking system whether be adequately reliability, testers usually designedly do
some delete operation.
> Steps:
> 1.go to "flink\build-target\log" 
> 2.delete “flink-xx-jobmanager-linux-3lsu.log" file 
> 3.Run jobs along with writing log info, meanwhile the system didn't give any error info
when the log info can't be wrote correctly.
> 4.when some jobs be run failed , go to check log file for finding the reason, can't find
the log file. 
> Must restart Job Manager to regenerate the log file, then continue to run jobs.

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