Messages in this thread | | | Date | Tue, 11 Mar 2003 11:02:35 +0100 | From | Jakob Oestergaard <> | Subject | Re: Load Balancing Performance |
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On Tue, Mar 11, 2003 at 03:28:14PM +0530, chandrasekhar.nagaraj wrote: > Hi, > ... > But instead of path switching for every buffer head (on call of make > request), if we switch after 50 buffer heads(ie. after 50 times make > request is called) then it results in a better performance. > Is there any way to find out the optimum value so that the performance is > optimum. > The performance is not good only when load balancing is ON. Hence we need > performance improvement in the case of load balancing. > Or is there any other solution to this problem.
Make the request site tunable via. procfs.
Then create a (user space) utility which experiments with various request sizes and finds the optimum. Run the tuning program once every time you set up a new system or change hardware.
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