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

From Jonah H. Harris
Subject Re: Block-level CRC checks
Date
Msg-id 36e682920810301013w6ccce99ekcfc7c8f1da852107@mail.gmail.com
Whole thread Raw
In response to Re: Block-level CRC checks  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
On Thu, Oct 30, 2008 at 12:14 PM, Alvaro Herrera
<alvherre@commandprompt.com> wrote:
> Gregory Stark escribió:
>
>> What I'm wondering though -- are we going to make CRCs mandatory? Or set aside
>> the 4 bytes even if you're not using them? Because if the size of the page
>> header varies depending on whether you're using CRCs that sounds like it would
>> be quite a pain.
>
> Not mandatory, but the space needs to be set aside.  (Otherwise you
> couldn't turn it on after running with it turned off, which would rule
> out using the database after initdb).

Agreed.

--
Jonah H. Harris, Senior DBA
myYearbook.com


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