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Re: Block-level CRC checks

From: Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Block-level CRC checks
Date: 2008-10-30 14:33:30
Message-ID: 4909C5BA.3070902@sun.com (view raw or flat)
Thread:
Lists: pgsql-hackers
Alvaro Herrera napsal(a):
> Simon Riggs wrote:
> 
>> But perhaps writing a single WAL record if you scan whole page and set
>> all bits at once. Then it makes sense in some cases.
> 
> So this is what I ended up doing; attached.
> 
> There are some gotchas in this patch:
> 

Please, DO NOT MOVE position of page version in PageHeader structure! And 
PG_PAGE_LAYOUT_VERSION should be bump to 5.

		Thanks Zdenek


-- 
Zdenek Kotala              Sun Microsystems
Prague, Czech Republic     http://sun.com/postgresql


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