Re: basebackups during ALTER DATABASE ... SET TABLESPACE ... not safe?

On 1/22/15 1:43 PM, Alvaro Herrera wrote:
> 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 ...

Yeah, I don't know that we actually want #2. It's bad enough to copy an entire database locally, but to then put it's
entirecontents into WAL? Blech.
 
-- 
Jim Nasby, Data Architect, Blue Treble Consulting
Data in Trouble? Get it in Treble! http://BlueTreble.com