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Re: random-access I/O
Posted by: Basilis Papadopoulos
Date: February 04, 2012 08:54AM

Compressing has improved definitively the read speed so it worth's it to have it despite the decrease on loading speed.

yes, the IO test was done at the same time in order to ensure that the HD is not overloaded. If it was it would not be able to achieve such high speeds. What I did was basically I copied very large files from and to those disks.

It is a linux server and I have RAID 10 for the disks that are used by MySQL.


Last question, is this possible to be created due to the memory limications on innodb settings? Can this be a result of MySQL having not enough memory to get all the records? Is there any other tests that I can do, or something else to look to?

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