Re: [PERFORM] PostgreSQL performance problem - tuning

2003-08-08 Thread Yaroslav Mazurak
Hi All! First, thanks for answers! Richard Huxton wrote: On Thursday 07 August 2003 09:24, Yaroslav Mazurak wrote: IIRC there is a limit on filesystem cache on freeBSD. 300MB by default. If that is the case, you might have to raise it to make effective_cache_size really effective..

[PERFORM] PostgreSql under Linux

2003-08-08 Thread Wilson A. Galafassi Jr.
Hello people. I'm installing Postgresql under linux for better performance and i want to know how is the best configuration. My server is a dual pentium3 1ghz/1gb ram/36gb scsi. running only postgresql. My question is: 1. What is the best linux distribuition for better performance? 2. Does

Re: [PERFORM] PostgreSQL performance problem - tuning

2003-08-08 Thread Yaroslav Mazurak
Hi All! Shridhar Daithankar wrote: On 7 Aug 2003 at 10:05, Yaroslav Mazurak wrote: It needs to reflect how much cache the system is using - try the free command to see figures. I'm not found free utility on FreeBSD 4.7. :( rant Grr.. I don't like freeBSD for it's top

Re: [SQL] [PERFORM] EXTERNAL storage and substring on long strings

2003-08-08 Thread Scott Cain
Oh, and I forgot to mention: it's highly compressed (bzip2 -9) and is 109M. Scott On Tue, 2003-08-05 at 11:01, Scott Cain wrote: Joe, Good idea, since I may not get around to profiling it this week. I created a dump of the data set I was working with. It is available at

Re: [PERFORM] Perfomance Tuning

2003-08-08 Thread Rod Taylor
Agreed.. WAL cannot recover something when WAL no longer exists due to a filesystem corruption. It is true that ext2 isn't good because the file system may not recover, but BSD UFS isn't a journalled file system, but does guarantee file system recovery after a crash --- it is especially

Re: [PERFORM] Perfomance Tuning

2003-08-08 Thread Andrew Sullivan
On Fri, Aug 08, 2003 at 03:34:44PM -0400, Bruce Momjian wrote: It is true that ext2 isn't good because the file system may not recover, but BSD UFS isn't a journalled file system, but does guarantee file system recovery after a crash --- it is especially good using soft updates. Sorry. I

Re: [PERFORM] Perfomance Tuning

2003-08-08 Thread Shridhar Daithankar
On 8 Aug 2003 at 12:28, mixo wrote: I have just installed redhat linux 9 which ships with Pg 7.3.2. Pg has to be setup so that data inserts (blobs) should be able to handle at least 8M at a time. The machine has two P III 933MHz CPU's, 1.128G RAM (512M*2 + 128M), and a 36 Gig hd with 1 Gig