Re: odd iostat graph

From: Alan McKay <alan(dot)mckay(at)gmail(dot)com>
To: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: odd iostat graph
Date: 2009-09-11 18:13:24
Message-ID: 844129e80909111113rb2232d8j28e6a164cfe1ed9@mail.gmail.com
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> My guess is this is checkpoint related.

I'll assume "checkpoint" is a PG term that I'm not yet familiar with -
will query my DBA :-)

If this OS buffer cache, wouldn't that be cached an awfully long time?
i.e. we're in big trouble if we get a bad crash?

--
“Don't eat anything you've ever seen advertised on TV”
- Michael Pollan, author of "In Defense of Food"

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