Re: Streaming a base backup from master - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Streaming a base backup from master
Date
Msg-id AANLkTim6cYMWu7bPu4uCmrcB1Xfk3zSL6imy3zoygm_x@mail.gmail.com
Whole thread Raw
In response to Re: Streaming a base backup from master  (Dave Page <dpage@pgadmin.org>)
Responses Re: Streaming a base backup from master
List pgsql-hackers
On Fri, Sep 3, 2010 at 9:32 AM, Dave Page <dpage@pgadmin.org> wrote:
> No, I agree we don't want an external dependency (I was just bleating
> about needing tar on Windows). I was assuming/hoping there's a
> librsync somewhere...

The rsync code itself is not modular, I believe.  I think the author
thereof kind of took the approach of placing efficiency before all.
See:

http://www.samba.org/rsync/how-rsync-works.html ... especially the
section on "The Rsync Protocol"

I Googled librsync and got a hit, but that code is a rewrite of the
source base and seems to have little or no activity since 2004.

http://librsync.sourceforge.net/

That page writes: "librsync is not wire-compatible with rsync 2.x, and
is not likely to be in the future."  The current version of rsync is
3.0.7.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company


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