Nick Dimiduk created HBASE-25149:
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Summary: Profiling servlet stuck in a loop when output directory
does not exist
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
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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