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

From Alvaro Herrera
Subject Re: Block-level CRC checks
Date
Msg-id 20081030161430.GG3857@alvh.no-ip.org
Whole thread Raw
In response to Re: Block-level CRC checks  (Gregory Stark <stark@enterprisedb.com>)
Responses Re: Block-level CRC checks
List pgsql-hackers
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).

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


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