From: Jeffrey Baker <jwbaker@gmail.com>
To: Merlin Moncure <mmoncure@gmail.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Fusion-io ioDrive
Date: Mon, 7 Jul 2008 09:10:37 -0700
Message-ID: <fd145f7d0807070910w413328favf8b2fb656e1c96a8@mail.gmail.com> (raw)
In-Reply-To: <b42b73150807070608vf04cea7t8b6cb7e171d48f82@mail.gmail.com>
References: <fd145f7d0807011718j3c9c4462qe9f6d2a1efebe7b7@mail.gmail.com>
<fd145f7d0807042341p38cb505dl5140ee27e103d1dc@mail.gmail.com>
<b42b73150807070608vf04cea7t8b6cb7e171d48f82@mail.gmail.com>
On Mon, Jul 7, 2008 at 6:08 AM, Merlin Moncure <mmoncure@gmail.com> wrote:
> On Sat, Jul 5, 2008 at 2:41 AM, Jeffrey Baker <jwbaker@gmail.com> wrote:
>>> Service Time Percentile, millis
>>> R/W TPS R-O TPS 50th 80th 90th 95th
>>> RAID 182 673 18 32 42 64
>>> Fusion 971 4792 8 9 10 11
>>
>> Someone asked for bonnie++ output:
>>
>> Block output: 495MB/s, 81% CPU
>> Block input: 676MB/s, 93% CPU
>> Block rewrite: 262MB/s, 59% CPU
>>
>> Pretty respectable. In the same ballpark as an HP MSA70 + P800 with
>> 25 spindles.
>
> You left off the 'seeks' portion of the bonnie++ results -- this is
> actually the most important portion of the test. Based on your tps
> #s, I'm expecting seeks equiv of about 10 10k drives in configured in
> a raid 10, or around 1000-1500. They didn't publish any prices so
> it's hard to say if this is 'cost competitive'.
I left it out because bonnie++ reports it as "+++++" i.e. greater than
or equal to 100000 per second.
-jwb
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To: pgsql-performance@postgresql.org
Cc: jwbaker@gmail.com, mmoncure@gmail.com
Subject: Re: Fusion-io ioDrive
In-Reply-To: <fd145f7d0807070910w413328favf8b2fb656e1c96a8@mail.gmail.com>
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