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https://issues.apache.org/jira/browse/YUNIKORN-940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17442620#comment-17442620
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Peter Bacsko commented on YUNIKORN-940:
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It writes the JSON to an external file in every 60 seconds by default (which
can be changed with the REST request). This output can be rather big, so our
decision was not to write this to the main Yunikorn log because it would
generate a great deal of noise.
> Periodic & on-demand state dump in Yunikorn
> -------------------------------------------
>
> Key: YUNIKORN-940
> URL: https://issues.apache.org/jira/browse/YUNIKORN-940
> Project: Apache YuniKorn
> Issue Type: Improvement
> Components: core - scheduler, shim - kubernetes
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Major
> Labels: pull-request-available
>
> Currently, there are many REST endpoints in Yunikorn which provide a bunch of
> useful information about applications, nodes, node utilization, etc.
> However, it requires many round trips to retrieve all of these. Also, it is
> often beneficial to periodically log detailed state information.
> The scope of this ticket is:
> * Introduce new REST endpoint which collects and returns all info which is
> currently available separately
> * Refactor code (extract DAO generating methods)
> * Add new REST endpoints which enables/disables periodic state logging
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