Tom Lane escribió: > "Jonah H. Harris" <[EMAIL PROTECTED]> writes:
> > I probably wouldn't compare checksumming *every* WAL record to a > > single block-level checksum. > > 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? -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
