Re: suggestions for postgresql setup on Dell 2950 , PERC6i controller

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 17 Feb 2009, Rajesh Kumar Mallah wrote:
sda6 --> xfs with default formatting options.
sda7 --> mkfs.xfs -f  -d sunit=128,swidth=512   /dev/sda7
sda8 --> ext3 (default)

it looks like mkfs.xfs  options sunit=128 and swidth=512 did not improve
io throughtput as such in bonnie++ tests .

it looks like ext3 with default options performed worst in my case.

Of course, doing comparisons using a setup like that (on separate partitions) will skew the results, because discs' performance differs depending on the portion of the disc being accessed. You should perform the different filesystem tests on the same partition one after the other instead.

Matthew

--
"We did a risk management review.  We concluded that there was no risk
of any management."        -- Hugo Mills <hugo@xxxxxxxxxxxxxxxxxxxx>

--
Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux