From: | Jeff Frost <jeff(at)frostconsultingllc(dot)com> |
---|---|
To: | Alan Hodgson <ahodgson(at)simkin(dot)ca> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: dell versus hp |
Date: | 2007-11-14 22:36:54 |
Message-ID: | Pine.LNX.4.64.0711141435010.30192@discord.home.frostconsultingllc.com |
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Thread: | |
Lists: | pgsql-performance |
On Wed, 14 Nov 2007, Alan Hodgson wrote:
> On Tuesday 13 November 2007, Jeff Frost <jeff(at)frostconsultingllc(dot)com> wrote:
>> Ok, Areca ARC1261ML. Note that results were similar for an 8 drive RAID6
>> vs 8 drive RAID10, but I don't have those bonnie results any longer.
>>
>> Version 1.03 ------Sequential Output------ --Sequential Input-
>> --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
>> Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
>> /sec %CP 14xRAID6 63G 73967 99 455162 58 164543 23 77637 99
>> 438570 31 912.2 1 ------Sequential Create------ --------Random
>> Create-------- -Create-- --Read--- -Delete-- -Create-- --Read---
>> -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec
>> %CP 16 12815 63 +++++ +++ 13041 61 12846 67 +++++ +++ 12871 59
>>
>>
>> Version 1.03 ------Sequential Output------ --Sequential Input-
>> --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
>> Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
>> /sec %CP 14xRAID10 63G 63968 92 246143 68 140634 30 77722 99
>> 510904 36 607.8 0 ------Sequential Create------ --------Random
>> Create-------- -Create-- --Read--- -Delete-- -Create-- --Read---
>> -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec
>> %CP 16 6655 16 +++++ +++ 5755 12 7259 17 +++++ +++ 5550 12
>
> OK, impressive RAID-6 performance (not so impressive RAID-10 performance,
> but that could be a filesystem issue). Note to self; try an Areca
> controller in next storage server.
I believe these were both on ext3. I thought I had some XFS results available
for comparison, but I couldn't find them.
--
Jeff Frost, Owner <jeff(at)frostconsultingllc(dot)com>
Frost Consulting, LLC http://www.frostconsultingllc.com/
Phone: 650-780-7908 FAX: 650-649-1954
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