Re: [PERFORM] Strong slowdown on huge tables

2012-05-29 Thread Tom Lane
Job writes: > i use PostgreSQL 8.4.8 on Centos 5.x and i have some table where i load with > pg_bulkload webtraffic logs, every day. > After loading new data, i delete with a query 30-days older logs. Since the deletion pattern is so predictable, you should consider setting this table up as a pa

[PERFORM] Strong slowdown on huge tables

2012-05-29 Thread Job
Hello, i use PostgreSQL 8.4.8 on Centos 5.x and i have some table where i load with pg_bulkload webtraffic logs, every day. After loading new data, i delete with a query 30-days older logs. Autovacuum is on. In some systems, i experience a very huge slowdown of this table in queries, expecially