On Fri, Nov 22, 2013 at 1:16 PM, Tom Lane <[email protected]> wrote: >> The original mail was referencing a problem with syncing *meta* data >> though. The semantics around meta data syncs are much less clearly >> specified, in part because file systems traditionally made nearly all meta >> data operations synchronous. Doing plug-pull testing on Postgres would not >> test meta data syncing very well since Postgres specifically avoids doing >> much meta data operations by overwriting existing files and blocks as much >> as possible. > > True. You're better off with a specialized testing program. (Though > now you mention it, I wonder whether that program was stressing metadata > or not.)
You can always stress metadata by leaving atime updates in their full setting (whatever it is for that filesystem). -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
