Julien Nioche created STORM-2502:
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Summary: Use PID in file name for heap dumps
Key: STORM-2502
URL: https://issues.apache.org/jira/browse/STORM-2502
Project: Apache Storm
Issue Type: Improvement
Affects Versions: 1.1.0
Reporter: Julien Nioche
Priority: Minor
The default JVM options for the workers specify the path to use for the heap
dumps, see
[https://github.com/apache/storm/blob/1.x-branch/conf/defaults.yaml#L171],
however when a memory error happens more than once for the same worker, only
the first dump is kept as the file can't be overridden. Instead, would it make
sense to use something like
_"-XX:HeapDumpPath=artifacts/heapdump_<pid>.hprof"_ so that a different dump is
generated for each JVM instance? Or is the current pattern used on purpose to
avoid too much disk space being used?
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