From: Joshua D. Drake <jd@commandprompt.com>
To: Douglas McNaught <doug@mcnaught.org>
Cc: Vivek Khera <vivek@khera.org>
Cc: Pgsql-Performance ((E-mail)) <pgsql-performance@postgresql.org>
Cc: PostgreSQL General <pgsql-general@postgresql.org>
Subject: Re: [PERFORM] Arguments Pro/Contra Software Raid
Date: Tue, 09 May 2006 11:43:16 -0700
Message-ID: <4460E2C4.2020804@commandprompt.com> (raw)
In-Reply-To: <87mzdroyzb.fsf@suzuka.mcnaught.org>
References: <e3pmkc$12mk$1@news.hub.org>
<473FC220-A52C-4954-81E9-A14ED33164C2@blighty.com>
<4460BA8B.7010600@commandprompt.com>
<5AF87D32-F602-4973-AA21-84E0CFEA1774@khera.org>
<87mzdroyzb.fsf@suzuka.mcnaught.org>
Douglas McNaught wrote:
> Vivek Khera <vivek@khera.org> writes:
>
>> On May 9, 2006, at 11:51 AM, Joshua D. Drake wrote:
>>
>>> And dollar for dollar, SCSI will NOT be faster nor have the hard
>>> drive capacity that you will get with SATA.
>> Does this hold true still under heavy concurrent-write loads? I'm
>> preparing yet another big DB server and if SATA is a better option,
>> I'm all (elephant) ears.
>
> Correct me if I'm wrong, but I've never heard of a 15kRPM SATA drive.
Best I have seen is 10k but if I can put 4x the number of drives in the
array at the same cost... I don't need 15k.
Joshua D. Drake
>
> -Doug
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
>
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, doug@mcnaught.org, vivek@khera.org, pgsql-general@postgresql.org
Subject: Re: [PERFORM] Arguments Pro/Contra Software Raid
In-Reply-To: <4460E2C4.2020804@commandprompt.com>
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