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https://issues.apache.org/jira/browse/HBASE-25149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Dimiduk resolved HBASE-25149.
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Resolution: Cannot Reproduce
> Profiling servlet ensure output directory exists and is writable
> ----------------------------------------------------------------
>
> Key: HBASE-25149
> URL: https://issues.apache.org/jira/browse/HBASE-25149
> Project: HBase
> Issue Type: Bug
> Components: Performance
> Affects Versions: 2.3.0
> Reporter: Nick Dimiduk
> Priority: Minor
>
> When the profiling servlet runs async-profiler when the output path
> ({{/tmp/prof-output}}) doesn't exist or isn't writable by the {{hbase}}
> process, it will sit in a refresh loop indefinitely. The servlet should
> check that the output path is writable, or even make an attempt to create the
> output directory, and inform the user of the situation, rather than
> attempting and silently failing to generate the flame graph.
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