On 2018-10-16 10:16:34 +1300, Thomas Munro wrote: > On Tue, Oct 16, 2018 at 9:07 AM Andres Freund <and...@anarazel.de> wrote: > > $ nm -t d --size-sort -r -S src/backend/postgres|grep '\b[bB]\b'|head > > 0000000008251872 0000000000131144 b LagTracker > ... > > So we have a two variables sized 130kb. Yikes. > ... > > that's not actually used very often, nor in all processes... Thomas? > > Yeah, here's a patch to move it in to the heap. > > -- > Thomas Munro > http://www.enterprisedb.com
> From f3fb64e67c1e86e11dfafc8a712e9750f650f60b Mon Sep 17 00:00:00 2001 > From: Thomas Munro <thomas.mu...@enterprisedb.com> > Date: Tue, 16 Oct 2018 10:08:57 +1300 > Subject: [PATCH] Move the replication lag tracker into heap memory. > > Andres Freund complained about the 128KB of .bss occupied by LagTracker. > It's only needed in the walsender process, so allocate it in heap > memory there. Cool, let's do that. Greetings, Andres Freund