From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Stephen Frost <sfrost(at)snowman(dot)net>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Dave Page <dpage(at)pgadmin(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Streaming a base backup from master |
Date: | 2010-09-03 15:53:06 |
Message-ID: | AANLkTi=ritscZEwWLn8-nrwCL+54hgHmpvsq_nnLkU-=@mail.gmail.com |
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Lists: | pgsql-hackers |
On Fri, Sep 3, 2010 at 11:47 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> writes:
>>> Stephen Frost <sfrost(at)snowman(dot)net> wrote:
>>> In any case, it's certainly not something required for an initial
>>> implementation..
>
>> No disagreement there; but sometimes it pays to know where you might
>> want to go, so you don't do something to make further development in
>> that direction unnecessarily difficult.
>
> I think that setting out to reimplement rsync, or to go down a design
> path where we're likely to do a lot of that eventually, is the height
> of folly. We should be standing on the shoulders of other projects,
> not rolling our own because of misguided ideas about people not having
> those projects installed.
>
> IOW, what I'd like to see is protocol extensions that allow an external
> copy of rsync to be invoked; not build in rsync, or tar, or anything
> else that we could get off-the-shelf.
We used to use "cp" to create databases. Should we go back to that system?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company
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