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Re: [Gluster-devel] Glusterd: A New Hope


From: Joe Landman
Subject: Re: [Gluster-devel] Glusterd: A New Hope
Date: Sun, 24 Mar 2013 19:13:18 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4

On 03/24/2013 07:03 PM, Jeff Darcy wrote:
On 03/24/2013 04:43 AM, Stephan von Krawczynski wrote:
So the automated distribution of the vol-files does not help
the majority at all.

It's not just about distribution of volfiles.  It's also about ensuring
their consistency across many servers and clients, and handling dynamic
updates.  For dynamic configuration changes without reboots or even

The finance guys get good milage out of zeromq and other messaging infrastructures. You might want pub-sub or reliable multicast rather than re-inventing your own.

Specifically, have a good look at http://linux.die.net/man/7/zmq_epgm


remounts, you either need glusterd or you need to reinvent a good
portion of it.  Even you should be able to appreciate the value of that,
since dynamic configuration speeds the tuning process.  Then there are a
whole bunch of other features that I mentioned in my last reply, which
you should read this time before rushing to give the broken record
another spin.

you just
said you cannot solve this by yourself and want to drop it on external
know-how

Nobody said anything of the sort.  We *can* solve it for ourselves, but
there's no reason we should expend our own resources to solve the parts
of the problem that are already well solved elsewhere.  There's no

+1 for good software engineering practice.  Don't repeat {yourself|others}



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Joseph Landman, Ph.D
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