Thomas Munro wrote:
> 4. You could look into whether all those multixacts with many member
> are really expected. (Large numbers of concurrent FK checks or
> explicit share locks on the same rows perhaps? A good proportion of
> this happened on one day this week I see.)
I think maybe this patch
https://www.postgresql.org/message-id/20150620043650.GX133018%40postgresql.org
should help with this. I expect to come back to this and get it pushed
to 9.3 and 9.4 sometime ...
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
