jcstress: Disable UsePerfData to improve I/O costs

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • None
    • Affects Version/s: None
    • Component/s: tools
    • None

      Sample runs shows >10 MB/s write I/O with -m sanity on large machine. Those writes seem to originate from UsePerfData subsystem. We should do -XX:-UsePerfData, since jcstress does not need it anyway.

            Assignee:
            Aleksey Shipilev
            Reporter:
            Aleksey Shipilev
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