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Re: basebackups during ALTER DATABASE ... SET TABLESPACE ... not safe? - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: basebackups during ALTER DATABASE ... SET TABLESPACE ... not safe?
Date
Msg-id 20150122194345.GF1663@alvh.no-ip.org
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In response to Re: basebackups during ALTER DATABASE ... SET TABLESPACE ... not safe?  (Andres Freund <andres@2ndquadrant.com>)
Responses Re: basebackups during ALTER DATABASE ... SET TABLESPACE ... not safe?
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Andres Freund wrote:

> 2) Make movedb() (and possibly created(), not sure yet) use proper WAL
>    logging and log the whole copied data. I think this is the right long
>    term fix and would end up being much more reliable. But it either
>    requires some uglyness during redo (creating nonexistant database
>    directories on the fly during redo) or new wal records.
> 
>    Doable, but probably too large/invasive to backpatch.

Not to mention the extra WAL traffic ...

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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