On Thu, May 13, 2010 at 7:05 PM, Joao Ferreira <joao.miguel.c.ferreira@xxxxxxxxx> wrote: > > Hello all, > > I have a hard situation in hands. my autovacuum does not seem to be able > to get his job done; > > database is under active INSERTs/UPDATEs; > CPU is in aprox 50% iowait for the past 5 hours; > vmstat divides io percent (last column) per cpu core. Probabily you have 100%, look iostat last column (util). > I've tried turning off autovacuum and the effect goes away; I turn it back > on and it goes back to 50% iowait; my IO system is nothing special at all; > > besides turning autovacuum off and running vacuum by hand once in a while, > what else can I do to get out of this situation ? > > bellow some logs > > I'm seriously considering turning off autovacuum for good; but I'dd like > to get input concerning other approaches... I mean... if I don't turn it > of, how can I be sure this will not happen again... we ship products with > PG inside... I must be absolutelly sure this will not ever happen in any of > our costumers. I'm a bit confuse... sorry :) ! > > Joao > schedule the vacum to midnight -- Reinaldo de Carvalho http://korreio.sf.net http://python-cyrus.sf.net -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general