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Re: Command to prune archive at restartpoints

Fujii Masao <masao.fujii@gmail.com>

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From: Fujii Masao <masao.fujii@gmail.com>
To: Dimitri Fontaine <dfontaine@hi-media.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, Simon Riggs <simon@2ndquadrant.com>, Andrew Dunstan <andrew@dunslane.net>, Greg Stark <gsstark@mit.edu>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-06-14T04:02:39Z
Lists: pgsql-hackers 
On Mon, Jun 14, 2010 at 3:51 AM, Dimitri Fontaine
<dfontaine@hi-media.com> wrote:
> I now realize that my proposal ain't helping if Streaming Replication is
> filling the standby's pg_xlog and hot_standby = off. I don't remember
> that SR rebuilds pg_xlog on the standby though, does it?

In SR, WAL files in the pg_xlog directory on the standby are recycled
by every restartpoints. So your proposed function seems not to be helpful
even if hot_standby = on.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center