Re: Linux memory zone reclaim

On Tue, Jul 17, 2012 at 09:52:11PM -0400, Greg Smith wrote:
> I've taken to disabling /proc/sys/vm/zone_reclaim_mode on any Linux
> system where it's turned on now.  I'm still working through whether
  --------------------------------
> it also makes sense in all cases to use the more complicated memory
> interleaving suggestions that MySQL users have implemented,
> something most people would need to push into their PostgreSQL
> server started up scripts in /etc/init.d  (That will be a fun
> rpm/deb packaging issue to deal with if this becomes more
> wide-spread)  Suggestions on whether that is necessary, or if just
> disabling zone_reclaim is enough, are welcome from anyone who wants
> to try and benchmark it.

Should I be turning it off on my server too?  It is enabled on my
system.


--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +