> The attached simple patch alters the output produced by pg_test_fsync, > so that we also see the average sync time per op.
Good idea. A median would be even better, but harder to calculate, I imagine. You might consider providing a maximum, too. > The pg_test_fsync > docs have had minor alterations too. Hopefully, another doc patch will > follow that builds upon this, and actually firmly recommends taking a > particular course of action when setting commit_delay - my previous > observations about what helped throughput, though supported by Greg > Smith, have not been scrutinised enough just yet, I feel. For now, the > equivocated wording of my doc alterations (that raw wal_sync_method > file sync time might *somehow* be useful here) seems appropriate. I'll see what I can do. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers