| From: | "Dr(dot) Evil" <drevil(at)sidereal(dot)kz> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Database corruption? |
| Date: | 2001-10-31 01:42:59 |
| Message-ID: | 20011031014259.30742.qmail@sidereal.kz |
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| Thread: | |
| Lists: | pgsql-general |
> > Perhaps we should reconsider the notion of keeping CRC checksums on
> > data pages. Not sure what we could do to defend against bad RAM,
> > however.
>
> Good idea.
I third that. Machines are very fast today. Reliability is vastly
more important than speed in many cases. Let's say that CRC
introduces a 20% slowdown (which is probably an overstatement). This
means that, to get the same speed, we will have to spend 20% more on
the hardware. Let's say that this is a top-end server, so we have to
spend $12k instead of $10k. Is $2k worth it for better data
reliability? Absolutely! No question about it.
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