jemalloc coring in je_bitmap_set

Paul Marquess Paul.Marquess at
Tue Aug 18 14:58:15 PDT 2015

> > Do you have any feeling whether it is safe to have jemalloc and THP at the same time?
> I've had pretty poor experience with the mixture even within the past month.  The problem is that at some point (under a day of intermittent benchmarking in all the cases I observed) the kernel gets into a fragmented memory state that it cannot recover from without a reboot, and the only obvious indications are decreased performance and increased page faults.

Do you think that disabling madvise with opt.lg_dirty_mult:-1 allows jemalloc & THP to co-exist without causing other unwanted side-effects?


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