[ADMIN] autovac hitting too many tables at once

2012-06-22 Thread Greg Williamson
Hi, I've got an 8.4.11 system that I am relatively new to and I am seeing multiple autovac processes kick off on several of the largest tables at once and it is causing pain. Are there any suggestions to   a) quickly relieve the immediate pain and   b) prevent such issues in the future

Re: [ADMIN] autovac hitting too many tables at once

2012-06-22 Thread Kevin Grittner
Greg Williamson gwilliamso...@yahoo.com wrote: I've got an 8.4.11 system that I am relatively new to and I am seeing multiple autovac processes kick off on several of the largest tables at once and it is causing pain. Are there any suggestions to a) quickly relieve the immediate pain

Re: [ADMIN] autovac hitting too many tables at once

2012-06-22 Thread Greg Williamson
Kevin -- ...   a) quickly relieve the immediate pain Set autovacuum_cost_limit to a smaller value.  (Change the postgresql.conf file and do a reload.)  I would start by cutting the current value in half. Thanks -- would not have known how to start. But for now, in observance of your

[ADMIN] terminating autovacuum process due to administrator command

2012-06-22 Thread Radovan Jablonovsky
Could you please help with this peculiar problem? In PostgreSQL log occurred this message: 2012-06-13 12:58:45.876 MDT [17536]: [1-1] FATAL: terminating autovacuum process due to administrator command The server worked for 48 minutes after and then it started refuse non-superuser connections,