On Wed, Oct 1, 2008 at 11:57 AM, Alvaro Herrera <[EMAIL PROTECTED]> wrote: > Tom Lane escribió: >> No, not at all. Block-level checksums would be an order of magnitude >> more expensive: they're on bigger chunks of data and they'd be done more >> often. > > More often? My intention is that they are checked when the buffer is > read in, and calculated/stored when the buffer is written out. > In-memory changers of the block do not check nor recalculate the sum. > > Is this not OK?
That is the way it should work, only on read-in/write-out. -- Jonah H. Harris, Senior DBA myYearbook.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers