Hi,
On 2014-04-17 06:28:52 -0700, yhe wrote:
> We are using streaming hot standby, no wal shipping.
>
> I checked and base and pg_xlog. both are fine.
>
> The extra space is used by /pg_multixact/members(about 5G) and
> /pg_multixact/offsets(about 1.5G)
>
> The doc said that pg_multixact contains multitransaction data used for
> shared row locks. Is there some process that can clean these two folder when
> the lock is not needed?
Which version are you using? that might be recently (9.3.2 and
corresponding releases) fixed problem.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services