Re: I/O - Increase RAM

From: John R Pierce <pierce(at)hogranch(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: I/O - Increase RAM
Date: 2016-04-13 20:52:58
Message-ID: 570EB1AA.906@hogranch.com
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On 4/13/2016 1:43 PM, drum(dot)lucas(at)gmail(dot)com wrote:
> At the moment I'm having 100% I/O during the day. My server has SATA
> HDs, and it can't be changed now.
> So, to solve the problem (or at least try) I was thinking about double
> the RAM, and by doing that, increasing the cache.

depends on if its read or write IO. many of our database servers are
nearly 100% write IO, only thing that will speed that up is faster disks
and/or more disks in raid10.

--
john r pierce, recycling bits in santa cruz

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