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

From Jonah H. Harris
Subject Re: Block-level CRC checks
Date
Msg-id 36e682920810021101p79f1940ar8aed8cf2f09c2474@mail.gmail.com
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
On Thu, Oct 2, 2008 at 1:58 PM, Gregory Stark <stark@enterprisedb.com> wrote:
>> On recovery after a torn-page write, won't the recovery of the
>> full_page_write WAL + WAL changes get us back to the page as it was
>> before the buffer+checksum+write?
>
> Hint bit setting doesn't trigger a WAL record.

Hence, no page image is written to WAL for later use in recovery.

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


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