Andres Freund <andres@xxxxxxxxxxx> writes: > On 2015-09-04 15:37:47 -0700, Ben Chobot wrote: >> Our situation might not apply to you. But if it does, give zone_reclaim_mode a chance. It's not (always) as bad as others have made it out to be. > To me that sounds like the negative impact of transparent hugepages > being mitigated to some degree by zone reclaim mode (which'll avoid some > cross-node transfers). Worth noting here is that Ben is running a 3.13 Linux kernel --- I think most of the bad rap that zone_reclaim_mode has accumulated comes from experience with significantly older kernels. (Which is not to say that I have heard that the kernel crowd has fixed it. But maybe they did.) regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
