On Fri, Apr 18, 2008 at 10:32 AM, Jeffrey Baker <[EMAIL PROTECTED]> wrote: > > On Fri, Apr 18, 2008 at 10:03 AM, Tom Lane <[EMAIL PROTECTED]> wrote: > > "Jeffrey Baker" <[EMAIL PROTECTED]> writes: > > > This autovacuum has been hammering my server with purely random i/o > > > for half a week. The table is only 20GB and the i/o subsystem is good > > > for 250MB/s sequential and a solid 5kiops. When should I expect it to > > > end (if ever)? > > > > What have you got maintenance_work_mem set to? Which PG version > > exactly? > > This is 8.1.9 on Linux x86_64, > > # show maintenance_work_mem ; > maintenance_work_mem > ---------------------- > 16384
That appears to be the default. I will try increasing this. Can I increase it globally from a single backend, so that all other backends pick up the change, or do I have to restart the instance? -jwb -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
