Re: [PERFORM] RAM / Disk ratio, any rule?

2008-06-04 Thread Greg Smith
On Wed, 4 Jun 2008, Mathieu Gilardet wrote: Do be more specific, we have an heavy loaded server with SCSI disks (RAID 0 on a SAS controller), making a total of 500GB. Actually, there are 16GB RAM, representing about 2,5% of db size. That's a reasonable ratio. Being able to hold somewhere aro

[PERFORM] RAM / Disk ratio, any rule?

2008-06-04 Thread Mathieu Gilardet
hello, I am wondering if actually, does exists any rule to determine the amount of RAM, according to the hardware disk size (in prevision to use all or nearly available space), when designing a server? Of course fsm settings implies that when db size grows, more memory will be in use for track