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

From Brian Hurt
Subject Re: Block-level CRC checks
Date
Msg-id 48E4CE5A.7030407@janestcapital.com
Whole thread Raw
In response to Re: Block-level CRC checks  ("Jonah H. Harris" <jonah.harris@gmail.com>)
Responses Re: Block-level CRC checks
Re: Block-level CRC checks
List pgsql-hackers
Jonah H. Harris wrote:
> On Thu, Oct 2, 2008 at 9:07 AM, Brian Hurt <bhurt@janestcapital.com> wrote:
>   
>> I have a stupid question wrt hint bits and CRC checksums- it seems to me
>> that it should be possible, if you change the hint bits, to be able to very
>> easily calculate what the change in the CRC checksum should be.
>>     
>
> Doesn't the problem still remain?  The problem being that the buffer
> can be changed as it's written, yes?
>
>   
Another possibility is to just not checksum the hint bits...

Brian




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