Re: [PERFORM] Benchmarking PostgreSQL?

2004-01-24 Thread Tom Lane
Ivan Voras <[EMAIL PROTECTED]> writes: > I'm conducting some benchmarking (mostly for fun and learning), and one > part of it is benchmarking PostgreSQL (7.4.1, on FreeBSD 4.9 and 5.2). > I'm using pgbench from the contrib directory, but I'm puzzled by the > results. It is notoriously hard to g

Re: [PERFORM] Slow delete times??

2004-01-24 Thread Octavio Alvarez
First of, thanks, Tom. Although I've been very careful on this kind of things, looks like I missed one index on a referencing column. Still, I don't allow an entire delete of a table if it has referencing columns with values, so at the moment of the deletion, it has no rows at all. I checked da

[PERFORM] Benchmarking PostgreSQL?

2004-01-24 Thread Ivan Voras
I'm conducting some benchmarking (mostly for fun and learning), and one part of it is benchmarking PostgreSQL (7.4.1, on FreeBSD 4.9 and 5.2). I'm using pgbench from the contrib directory, but I'm puzzled by the results. I have little experience in benchmarking, but I don't think I should be ge

Re: [PERFORM] High Performance/High Reliability File system on SuSE64

2004-01-24 Thread Mark Kirkwood
Mark Kirkwood wrote a little unclearly: And yes, I would recommend xfs - noticeably faster than ext3, and no sign of any mysterious hangs under load. I was thinking about the reported mini-hangs that folks are seeing with jfs, except the all important keyword "jfs" didnt make it out of my he

Re: [PERFORM] High Performance/High Reliability File system on SuSE64

2004-01-24 Thread Doug McNaught
Paul Ganainm <[EMAIL PROTECTED]> writes: > [EMAIL PROTECTED] says... > > >> XFS.. hands down. > > > Off topic question here, but I'm a bit at a loss to understand exactly > what sgi are doing. > > > I thought that they were removing IRIX and going with Linux as the OS to > their high end graphic

[PERFORM] Persistent Connections

2004-01-24 Thread postgres
Hi I have a php script and i make a pg_pconnect If i want to make 4-10 pg_query in that script Have i to close the connection at end of the script? (i would say yes, is it right?) Sorry I m a little bit confused about the persistent thing!! Is it smart to use persistent connections at all if i ex

Re: [PERFORM] High Performance/High Reliability File system on SuSE64

2004-01-24 Thread Paul Ganainm
[EMAIL PROTECTED] says... > XFS.. hands down. Off topic question here, but I'm a bit at a loss to understand exactly what sgi are doing. I thought that they were removing IRIX and going with Linux as the OS to their high end graphical workstations, yet I see they still have IRIX on their

Re: [PERFORM] High Performance/High Reliability File system on SuSE64

2004-01-24 Thread Joshua D. Drake
Mark Kirkwood wrote: They seem pretty clean (have patched vanilla kernels + xfs for Mandrake 9.2/9.0). And yes, I would recommend xfs - noticeably faster than ext3, and no sign of any mysterious hangs under load. The hangs you are having are due to several issues... one of them is the way ex