Scott Marlowe wrote:
On Fri, Mar 5, 2010 at 7:09 AM, Cyril Scetbon
<cscetbon.ext@xxxxxxxxxxxxxxxxxx> wrote:
Does anyone know what can be the differences between linux kernels 2.6.29
and 2.6.30 that can cause this big difference (TPS x 7 !)
http://www.phoronix.com/scan.php?page=article&item=linux_2624_2633&num=2
I'm gonna guess those ones with huge TPC B throughput weren't properly
fsyncing their data to the disks. to get that high of a number
requires a disk subsystem that can commit 1300 or so changes a second,
which a single disk can't really do.
indeed, that was my first thought too. being on the trailing edge of
kernel builds (I mostly run CentOS4 and 5, and most our more important
servers are Solaris based), I can only view this with some amusement.
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