Re: Block-level CRC checks - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Block-level CRC checks
Date
Msg-id 1224270799.3808.432.camel@ebony.2ndQuadrant
Whole thread Raw
In response to Re: Block-level CRC checks  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
On Fri, 2008-10-17 at 13:59 -0300, Alvaro Herrera wrote:

> > It might be possible to have a partial solution where some blocks have
> > CRC checks, some not.
> 
> That's another idea but it reduces the effectiveness of the check.

If you put in a GUC to control the check, block by block. 0 = check
every time, with full impact. Other values delay the use of CRC checks.
Kind of like freezing parameters. Let people choose.

-- Simon Riggs           www.2ndQuadrant.comPostgreSQL Training, Services and Support



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