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https://issues.apache.org/jira/browse/STORM-183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14033172#comment-14033172
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ASF GitHub Bot commented on STORM-183:
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Github user Parth-Brahmbhatt commented on the pull request:
https://github.com/apache/incubator-storm/pull/143#issuecomment-46250710
I have tried with both old and new code and I still can not reproduce this.
I have tried killing the process with both SIGTERM and SIGINT, in both cases
the process terminates.
If you are killing in some other way or if you have some other local code
change to make workers sleep during shutdown phase then let me know.
I have checked in the change to make the final shutdown blow run in a
separate thread.
> Supervisor/worker shutdown hook should be called in distributed mode.
> ---------------------------------------------------------------------
>
> Key: STORM-183
> URL: https://issues.apache.org/jira/browse/STORM-183
> Project: Apache Storm (Incubating)
> Issue Type: Bug
> Reporter: caofangkun
> Priority: Minor
> Attachments: STORM-183-1.patch
>
>
> if the process is killed forcefully from the OS or if it's crashing due to
> resource issues (e.g., out of memory), shutdown hooks won't be invoked.
> -TERM (15)
> The process is requested to stop running; it should try to exit cleanly
> -KILL (9)
> The process will be killed by the kernel; this signal cannot be ignored.
> So should we better use 'kill -15' ?
> See:
> https://github.com/apache/incubator-storm/blob/master/storm-core/src/clj/backtype/storm/util.clj#L392
> https://github.com/apache/incubator-storm/blob/master/storm-core/src/clj/backtype/storm/daemon/supervisor.clj#L175
> will never be called for supervisor:
> https://github.com/apache/incubator-storm/blob/master/storm-core/src/clj/backtype/storm/daemon/supervisor.clj#L396
> will never be called for worker:
> https://github.com/apache/incubator-storm/blob/master/storm-core/src/clj/backtype/storm/daemon/worker.clj#L421
> We'd better add something like :
> (.addShutdownHook (Runtime/getRuntime) (Thread. (fn [] (.shutdown mk-sv))))))
> ?
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