On Thu, Dec 15, 2016 at 7:36 PM, Joshua D. Drake <j...@commandprompt.com>
wrote:

> On 12/15/2016 10:23 AM, Peter Eisentraut wrote:
>
>> On 11/8/16 12:45 PM, Magnus Hagander wrote:
>>
>>> Per some discussions with a number of different people at pgconfeu, here
>>> is a patch that changes the default mode of pg_basebackup to be
>>> streaming the wal, as this is what most users would want -- and those
>>> that don't want it have to make other changes as well. Doing the "most
>>> safe" thing by default is a good idea.
>>>
>>> The new option "-x none" is provided to turn this off and get the
>>> previous behavior back.
>>>
>>
>> I would have expected that the "stream" method would become the default.
>>  Just a short while ago it was proposed to remove the "fetch" method
>> altogether, and it was only kept because of some niche use cases.  I
>> don't think "fetch" is the most safe method, because it requires
>> wal_keep_segments to be configured.
>>
>
> IMO, if you are using fetch just using archive_command. Let's rip it out
> of pg_basebackup or at least deprecate it.
>

Fetch runs fine without ssh keys. Especially important on platforms without
native ssh. It's also pull rather than push. And it fetches just the xlog
you need, and not *all* of it, for one-off backups. I think it definitely
still has it's uses, but should of course not be the default.

-- 
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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