Re: Streaming replication and WAL archive interactions - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Streaming replication and WAL archive interactions
Date
Msg-id CA+TgmoY+p5oowv1=Z44Zu14V70XKQZBkt+oEmwB+gAYYfDAV1Q@mail.gmail.com
Whole thread Raw
In response to Re: Streaming replication and WAL archive interactions  (Heikki Linnakangas <hlinnaka@iki.fi>)
Responses Re: Streaming replication and WAL archive interactions  (Heikki Linnakangas <hlinnaka@iki.fi>)
List pgsql-hackers
On Wed, May 13, 2015 at 8:53 AM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> Our manual says that archive_command should refuse to overwrite an existing
> file. But to work-around the double-archival problem, where the same file is
> archived twice, it would be even better if it would simply return success if
> the file exists, *and has identical contents*. I don't know how to code that
> logic in a simple one-liner though.

This is why we really, really need that pg_copy command that was
proposed a while back.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: Auditing extension for PostgreSQL (Take 2)
Next
From: Robert Haas
Date:
Subject: Re: Why does contain_leaked_vars believe MinMaxExpr is safe?