Flushing time is linear with data size even if there is nothing to flush

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    • Type: Improvement
    • Resolution: Won't Fix
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: Performance
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      The kernel has to scan the whole pagetable for dirty pages, which seems to take about 1ms / 4GB of data. Maybe we should mark files as dirty and make flush() a no-op if it is clean.

            Assignee:
            Eliot Horowitz (Inactive)
            Reporter:
            Mathias Stearn
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              Created:
              Updated:
              Resolved: