Re: [BUGS] BUG #1552: massive performance hit between 7.4 and 8.0.1

2005-03-21 Thread Keith Browne
They PGSQL-PERFORMANCE list is really the appropriate place for performance issues like yours. Subscribe? Josh, Brian and I are trying to put upwards of 80-90,000 rows into a table. When we run on PostgreSQL 7.4, this takes about five minutes. On comparable hardware, running PostgreSQL 8.0.1, it

Re: [BUGS] BUG #1552: massive performance hit between 7.4 and 8.0.1

2005-03-21 Thread Tom Lane
Josh Berkus writes: > I don't think your experience on this one query is descriptive of PostgreSQL > in general. What I'm saying is that you most likely have a tuning problem, > not a bug. It might be a bug (or at least an unhelpful behavior) but the given case didn't prove a thing. I'm st

Re: [BUGS] BUG #1552: massive performance hit between 7.4 and 8.0.1

2005-03-21 Thread Josh Berkus
Brian, > Yes, I will subscribe to the performance list, but strictly speaking the > behaviour described should be considered a bug. The assumptions made in > deciding what the query optimisations will be seem all skewed, and the > end result is that the system > isn't useful in very common cases.

Re: [BUGS] BUG #1552: massive performance hit between 7.4 and 8.0.1

2005-03-21 Thread Josh Berkus
Brian, They PGSQL-PERFORMANCE list is really the appropriate place for performance issues like yours. Subscribe? http://www.postgresql.org/community/lists -- --Josh Josh Berkus Aglio Database Solutions San Francisco ---(end of broadcast)--- TI