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Generating and Analyzing Heap Dumps

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Created: 2012-09-07 16:59:57 UTC
Last Update: 2018-02-18 19:29:57 UTC

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3 comments

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    (Suspended) Thomas Vachon

    You might want to change your jmap command to use -F otherwise it wont attach most of the time

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    Jeremiah Jordan

    Using -F actually causes corruption in the dumps a lot of the time.  We have found it better to use JMX to create the heap dump, rather then use -F.

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    Michael Keeney

    Not an officially Datastax supported article, but some more detail on pros/cons of with/without -F flag:

     

    https://stackoverflow.com/questions/26140182/running-jmap-getting-unable-to-open-socket-file

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