[ZODB-Dev] more RAM usage?

Casey Duncan casey@zope.com
Mon, 31 Mar 2003 10:41:15 -0500


On Monday 31 March 2003 09:41 am, Andrew Sydelko wrote:
> I've seen lots of posts about reducing the amount of RAM
> used by Zope, but I'm interested in finding out if there
> are any tweaks to make it use more RAM.=20
>=20
> I'm mostly interested in a ZEO server running with=20
> FileStorage. The idea is that I can put 8GB of RAM in=20
> the machine that this runs on and since memory is=20
> faster than disk, a large ZODB (9+GB) could=20
> gain some significant performance increase.
>=20
> Right now I am using Zope 2.5.1 and ZEO 2.0.2 from
> ZODB 3.1.1, but we plan on moving to Zope 2.6.x this
> summer.

If you turn up the ZODB cache threshold higher than the number of objects=
 in=20
your zodb, then in theory nearly all your objects will be kept in memory,=
=20
with disk access happening only for writes.

-Casey