Re: key_buffer, performance issues and considerations.

2006-10-26 Thread Chris
RV Tec wrote: Folks, A few months ago, I came here asking for directions on how I could improve performance of MySQL. Back then, I was using OpenBSD on a dual Opteron 248 with 2GB, LSI MegaRAID 320-1, 15k RPM SCSI discs, MySQL was (still is) 4.0.27, the database is MyISAM, reaching 50GB. Af

Re: key_buffer, performance issues and considerations.

2006-10-25 Thread Dan Buettner
RV, you may find that increasing the size of the key_buffer could have a negative effect on performance. You want to make sure that there's enough physical RAM for all the processes on the machine, to avoid paging/swapping to disk, which is very slow. Here's a an interesting note: http://dev.mys

key_buffer, performance issues and considerations.

2006-10-25 Thread RV Tec
Folks, A few months ago, I came here asking for directions on how I could improve performance of MySQL. Back then, I was using OpenBSD on a dual Opteron 248 with 2GB, LSI MegaRAID 320-1, 15k RPM SCSI discs, MySQL was (still is) 4.0.27, the database is MyISAM, reaching 50GB. After some consid