Re: [PATCHES] wal_checksum = on (default) | off - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [PATCHES] wal_checksum = on (default) | off
Date
Msg-id 4007.1167948225@sss.pgh.pa.us
Whole thread Raw
In response to Re: [PATCHES] wal_checksum = on (default) | off  (Florian Weimer <fw@deneb.enyo.de>)
List pgsql-hackers
Florian Weimer <fw@deneb.enyo.de> writes:
> Ah, does this mean that each WAL entry gets its own checksum?

Right.

> (I had assumed that PostgreSQLs WAL checksumming was justified by the
> partial write issue.  The wild store could easily occur with a heap
> page, too, and AFAIK, tuples, aren't checksummed.  Which would be an
> interesting option, I guess.)

We've discussed it but there's never been a pressing reason to do it.

            regards, tom lane

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