sysbench / fileio - Linux vs. FreeBSD
wooh at wooh.hu
Sun Jun 6 10:49:50 UTC 2010
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On 6/5/10 2:43 AM, Igor Mozolevsky wrote:
> On 5 June 2010 00:58, Adam PAPAI <wooh at wooh.hu> wrote:
>> How can I tune my disk to make it faster? Is it possible? What is the
>> reason of the really slow I/O with more than 4 threads? What do you
>> recommend me to do? Why is it damn slow with 8K blocksize?
> Does linux still have async disk writes by default?
Anyway, I looked after the default ext3 values:
Debian mounts the ext3 with "defaults" option.
This means: rw, suid, dev, exec, auto, nouser, and async.
Well it means I have to test it with UFS (async) and Debian (sync).
These test will take some time but I hope it worth the effort.
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