On Sat, Aug 20, 2011 at 4:57 AM, Gokulakannan Somasundaram <gokul...@gmail.com> wrote: > by your argument, if WALInserLock is held for 't' seconds, you should > definitely be holding visibility map lock for more than time frame 't'.
Nope, that's not how it works. Perhaps you should read the code. See, e.g., heap_update(). -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers