| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Magnus Hagander <magnus(at)hagander(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Make pg_basebackup -x stream the default |
| Date: | 2016-12-15 18:23:05 |
| Message-ID: | 00d53b68-db37-fe8d-0937-661e7603e40e@2ndquadrant.com |
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| Lists: | pgsql-hackers |
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.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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