Re: hot standby data folder bigger than primary - Mailing list pgsql-general

From Andres Freund
Subject Re: hot standby data folder bigger than primary
Date
Msg-id 20140417140210.GX17874@awork2.anarazel.de
Whole thread Raw
In response to Re: hot standby data folder bigger than primary  (yhe <yinghe0101@yahoo.com>)
Responses Re: hot standby data folder bigger than primary  (yhe <yinghe0101@yahoo.com>)
List pgsql-general
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


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