I wrote: > One thing to look at is the rate of WAL generation for a set number of > transactions. Maybe the later releases are generating more WAL due to > multixacts, for instance (prior to 9.3 these weren't wal-logged.)
FWIW a very easy way to measure this is to look at the output of "pg_xlogdump -r MultiXact" for the WAL generated during the testing period. -- 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
