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From Peter Schuller <>
Subject Re: Monitoring bytes read per cf
Date Fri, 13 May 2011 07:08:27 GMT
> It seems to work fine but maybe someone here knows that this is not a good idea ....

It depends. If you're trying to figure out what generates actual iops
to disk, it won't really tell you since you're counting all I/O
including that which is cached. Since whatever goes down to disk tends
to be, due to the LRU:ishness of caches, the less frequently accessed
data that tends to make it difficult to judge by numbers that include
all I/O.

/ Peter Schuller

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