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Re: 16-bit page checksums for 9.2 - Mailing list pgsql-hackers

From Andres Freund
Subject Re: 16-bit page checksums for 9.2
Date
Msg-id 201201041020.20781.andres@anarazel.de
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In response to Re: 16-bit page checksums for 9.2  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Responses Re: 16-bit page checksums for 9.2
List pgsql-hackers
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On Tuesday, January 03, 2012 11:21:42 PM Kevin Grittner wrote:
> (1)  I like the choice of Fletcher-16.  It should be very good at
> detecting problems while being a lot less expensive that an official
> CRC calculation. 
I wonder if CRC32c wouldn't be a good alternative given more and more cpus 
(its in SSE 4.2) support calculating it in silicon.

Andres

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