Re: Performance problem MySQL 4.0.20

2007-07-07 Thread Alex Arul Lurthu
On 7/6/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: How does the cpu power influence the speed of a query? Sort is a cpu intensive process. *Check if you are suffering from locks on the tables you look up.* Also, was the table in the system where the queries are running faster rebuilt r

Re: Performance problem MySQL 4.0.20

2007-07-07 Thread Alex Arul Lurthu
On 7/6/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: How does the cpu power influence the speed of a query? Sort is a cpu intensive process. *Check if you are suffering from locks on the tables you look up.* Also, was the table in the system where the queries are running faster rebuilt r

Re: Performance problem MySQL 4.0.20

2007-07-06 Thread spikerlion
Hello, Explain where the Statement is very fast: *** 1. row *** table: Stuecke type: ALL possible_keys: PRIMARY,St_Autor key: NULL key_len: NULL ref: NULL rows: 694 Extra: Using where; Usin

Re: Performance problem MySQL 4.0.20

2007-07-04 Thread Alex Arul Lurthu
Hi, Run explain plan on both the machines and post the same. ~Alex On 7/4/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: Hello Ananda, yes, the testmachine has the same data. Regards, Spiker -- GMX FreeMail: 1 GB Postfach, 5 E-Mail-Adressen, 10 Free SMS. Alle Infos und kostenlose Anmeldu

Re: Performance problem MySQL 4.0.20

2007-07-03 Thread spikerlion
Hello Ananda, yes, the testmachine has the same data. Regards, Spiker -- GMX FreeMail: 1 GB Postfach, 5 E-Mail-Adressen, 10 Free SMS. Alle Infos und kostenlose Anmeldung: http://www.gmx.net/de/go/freemail -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubsc

Re: Performance problem MySQL 4.0.20

2007-07-03 Thread Juan Eduardo Moreno
Please, mount your disks using "forcedirectio". Regards, Juan On 7/3/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: Hello, I've a performance problem with our database: Some select statements take about 20 seconds. The same statements on an equal testmachine take less than 1 second. Serve

Re: Performance problem MySQL 4.0.20

2007-07-03 Thread Ananda Kumar
does your test machine have the same data as your problem database. Can you also please show the explain plan from both the machines. On 7/3/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: Hello, I've a performance problem with our database: Some select statements take about 20 seconds. The

Performance problem MySQL 4.0.20

2007-07-03 Thread spikerlion
Hello, I've a performance problem with our database: Some select statements take about 20 seconds. The same statements on an equal testmachine take less than 1 second. Server: CPU: 2 x 440 MHz sparcv9 RAM: 2GB (top: Memory: 2048M real, 931M free, 732M swap in use, 2839M swap fre