Christopher Petrilli <[EMAIL PROTECTED]> writes: > Here's a graph of the differences and density of behavior:
> http://blog.amber.org/diagrams/pgsql_copy_803_cvs.png > I can provide the raw data. How about the complete test case? There's something awfully odd going on there, and I'd like to find out what. > Note that fsync is turned off here. Maybe it'd be more stable with it > turned on? Hard to say. I was about to ask if you'd experimented with altering configuration parameters such as shared_buffers or checkpoint_segments to see if you can move the point of onset of slowdown. I'm thinking the behavioral change might be associated with running out of free buffers or some such. (Are you running these tests under a freshly- started postmaster, or one that's been busy for awhile?) regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
