Re: Intel 710 pgbench write latencies

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Yeb Havinga" <yebhavinga(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Intel 710 pgbench write latencies
Date: 2011-11-02 14:06:34
Message-ID: 4EB1081A0200002500042927@gw.wicourts.gov
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Yeb Havinga <yebhavinga(at)gmail(dot)com> wrote:

> I'm now contemplating not using the 710 at all. Why should I not
> buy two 6Gbps SSDs without supercap (e.g. Intel 510 and OCZ Vertex
> 3 Max IOPS) with a IO controller+BBU?

Wouldn't the data be subject to loss between the time the IO
controller writes to the SSD and the time it makes it from buffers
to flash RAM?

-Kevin

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