Re: [PERFORM] Bulk INSERT performance in 7.4.1

2004-06-10 Thread Florian Weimer
Vivek Khera wrote: If you've got the time, could you try also doing the full bulk insert test with the checkpoint log files on another physical disk? See if that's any faster. We have been doing that for a few weeks, but the performance improvements are less than what we expected. There is

Re: [PERFORM] Bulk INSERT performance in 7.4.1

2004-03-03 Thread Florian Weimer
Florian Weimer wrote: After an upgrade to 7.4.1 (from 7.3) we see a severe performance regression in bulk INSERTs. In turns out that we were running the default configuration, and not the tuned one in /etc/postgresql. *blush* After increasing the number of checkpoint segments and the

Re: [PERFORM] Bulk INSERT performance in 7.4.1

2004-03-03 Thread Greg Spiegelberg
Would turning autocommit off help? Vivek Khera wrote: FW == Florian Weimer [EMAIL PROTECTED] writes: FW After increasing the number of checkpoint segments and the shared-memory FW buffers, performance is back to the expected levels. It might even be a FW bit faster. If you've got the time,

Re: [PERFORM] Bulk INSERT performance in 7.4.1

2004-03-03 Thread Vivek Khera
FW == Florian Weimer [EMAIL PROTECTED] writes: FW After increasing the number of checkpoint segments and the shared-memory FW buffers, performance is back to the expected levels. It might even be a FW bit faster. If you've got the time, could you try also doing the full bulk insert test with