Re: How to utilize 16 logical CPUs

2006-08-22 Thread Martin Jespersen
Your mysql db is only using 496Mb of ram? i have a server with 1GB ram where mysql uses more mem than yours does - you should probably tune your server system variables a bit to utilize your memory better. Christian Hammers wrote: On Tue, Aug 22, 2006 at 10:20:47AM -0600, Michael Loftis wrote:

Re: How to utilize 16 logical CPUs

2006-08-22 Thread Christian Hammers
On Tue, Aug 22, 2006 at 10:20:47AM -0600, Michael Loftis wrote: > One other quick ? -- Are you using a 64 bit (x86_64/EMT64) or 32-bit? If > you're still in 32-bit mode the extra memory over 4Gb can actually slow the > system down since it has to page between memory zones. It was choosen to run

Re: How to utilize 16 logical CPUs

2006-08-22 Thread Christian Hammers
On Tue, Aug 22, 2006 at 10:04:06AM -0500, Dan Buettner wrote: > You have a high number of connections, by my calculations about 15 per > second. (connection / uptime, or 46944092/3052131 = 15.38) I would > think that is introducing a fair bit of overhead for you - you might > consider persistent

Re: How to utilize 16 logical CPUs

2006-08-22 Thread Dan Buettner
Hi Christian - thanks for posting that. I see you are making excellent use of the query cache; also your thread_cache is working well, seems that 30 is about the right number. You have a high number of connections, by my calculations about 15 per second. (connection / uptime, or 46944092/305213

Re: How to utilize 16 logical CPUs

2006-08-22 Thread Christian Hammers
Hallo On Tue, Aug 22, 2006 at 09:25:09AM -0500, Dan Buettner wrote: > Christian, can you post the output of > SHOW STATUS > and > SHOW VARIABLES > please? > > This will tell us how your server is configured, and how it has been > running. It's possible you're not set up to best utilize your CPU

Re: How to utilize 16 logical CPUs

2006-08-22 Thread Dan Buettner
Christian, can you post the output of SHOW STATUS and SHOW VARIABLES please? This will tell us how your server is configured, and how it has been running. It's possible you're not set up to best utilize your CPU power or memory. Dan On 8/22/06, Christian Hammers <[EMAIL PROTECTED]> wrote: He

Re: How to utilize 16 logical CPUs

2006-08-22 Thread Miles Teg
"Christian Hammers" <[EMAIL PROTECTED]> To: Sent: Tuesday, August 22, 2006 6:47 AM Subject: How to utilize 16 logical CPUs Hello I have a server with the following specs but fear that the currently running MySQL-4.1 does not completely utilize it as the database feels to slow f

How to utilize 16 logical CPUs

2006-08-22 Thread Christian Hammers
Hello I have a server with the following specs but fear that the currently running MySQL-4.1 does not completely utilize it as the database feels to slow for the webservers although the system load is always only at about 10%: CPU: Quad Dualcore Xeon with Hyperthreading (4*2*2=16 logical c