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https://issues.apache.org/jira/browse/YARN-4451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15055722#comment-15055722
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Varun Vasudev commented on YARN-4451:
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bq .Well i guessed that would be the reason but the problem is it overwrites
without any warning/alert ! So either we need to provide a message that file
will be overwritten or may be while creating we can keep configurable number of
logs, say 5.
Can you do a sizing test to see how big the log is?
bq. one more issue is when i tried the REST url "http://<rm http
address>/ws/v1/cluster/scheduler/logs" using wget, i am getting
WebApplicationException just wanted to confirm whether i missing something !
What http method are you using - that url only supports POST.
> Some improvements required in Dump scheduler logs
> -------------------------------------------------
>
> Key: YARN-4451
> URL: https://issues.apache.org/jira/browse/YARN-4451
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Naganarasimha G R
> Assignee: Naganarasimha G R
>
> Though dumping scheduler logs is very useful option there are few nits in
> using it
> * for naive or first time user its hard to understand what does {{"Time"}}
> stand for past or future, IMO it would be slightly better to set the name in
> the ui as {{"Time Period"}}
> * success message should give where the logs will be found and the file name
> * Need to append the time stamp and the period to the file name, so that its
> not over ridden
> * From code it seems like it always returns {{"Capacity scheduler logs are
> being created"}} even though the fair scheduler is set
> * Would having cli option in {{"yarn rmadmin"}} will also be helpful ?
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