| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Craig James <craig_james(at)emolecules(dot)com> |
| Cc: | Robert Schnabel <schnabelr(at)missouri(dot)edu>, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, cb <cb(at)mythtech(dot)net>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Is Diskeeper Automatic Mode safe? |
| Date: | 2009-11-16 21:25:54 |
| Message-ID: | 20091116212554.GI3669@alvh.no-ip.org |
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| Lists: | pgsql-performance |
Craig James escribió:
> Do it more than once. This is a highly erratic test that can catch
> your system at a wide variety of points, some of which cause no
> problems, and some of which can be catastrophic. If you test and it
> fails, you know you have a problem. If you test and it doesn't fail,
> you don't know much. It's only when you've tested a number of times
> without failure that you've gained any real knowledge.
Of course, you're only truly safe when you've tested infinite times,
which may take a bit longer than management expects.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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