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Old 04-12-2005, 02:19 PM   #1
Registered: May 2002
Posts: 401

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monitoring I/O with sar command


I need to check the I/O performance on a RH machine.

I tried issuing the command sar -b 1 1 but recieved alll zeros. I suspect that the I/o on this server is very high beacuse it is a mysql server with only one disk. it takes 15 minutes to show the records in th database....

(when I m using a user front end throw a browser),

How can I check it ?

thanks !!

Old 04-13-2005, 11:43 AM   #2
Registered: Dec 2003
Location: Northern VA
Posts: 493

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man sar

It's actually going to be a couple of different sar commands you'll want to run at the same time.

The -b and -d options pop to mind, but read the man page, very informative.


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