Alex Ignatov wrote: > Hello everyone! > Today in Big Data epoch silent data corruption becoming more and more issue > to afraid of. With uncorrectable read error rate ~ 10^-15 on multiterabyte > disk bit rot is the real issue. > I think that today checksumming data must be mandatory set by default. > Only if someone doesn't care about his data he can manually turn this option > off.
In principle I support the idea of turning data checksums by default, but can you provide some numbers on how it affects performance on various workloads? That's a critical point in the discussion. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
