On 12/4/10 3:19 PM, Mladen Gogala wrote: > Tom Lane wrote: >> Partitioning using these techniques will work well with up to >> perhaps a hundred partitions; don't try to use many thousands of >> partitions. >> regards, tom lane > Hmmm, what happens if I need 10 years of data, in monthly partitions? It > would be 120 partitions. Can you please elaborate on that limitation? > Any plans on lifting that restriction? > Even with 1k partitions, I don't have any issues any of the SELECT, UPDATE or DELETE queries and with 8GB RAM. I suppose if you're using INSERT triggers, you'd want to make sure your plpgsql function is fast: I'm partitioning by power-of-two, so can use right-shift n-bits to quickly compute the insertion table name, rather than using an if-else-if chain. John -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
