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Re: subversion in the news

From: Darryl Okahata <darrylo_at_soco.agilent.com>
Date: 2002-03-14 19:25:16 CET

Greg Stein <gstein@lyra.org> wrote:

> > 0. An organization wishes to maintain read-only mirrors of its
> > Subversion repository. These are either to take the load of
> > anonymous users off the master, or to reduce the bandwith demand of
> > geographically-distant users at some expense in latency.
>
> Um. Why don't you just use a caching proxy for this? It is transparent to
> the user, and drops a lot of load off the master.

     While the use of a caching proxy is pretty cool, two cases come to
mind where caching proxies are suboptimal:

1. Performance. Over a slow/distant network link, it may take a while
   to populate/update the cache. With CVS, you can use cvsup or rsync
   (yuk) in a nightly cron job to get a read-only mirror; this way,
   during the day, local clients can access the read-only copy at full
   lan speed. With a caching proxy, the first client to hit the proxy
   can get a big performance hit, while the cache gets populated.

2. True disconnected operation (no LAN connection whatsover of any
   type). Caching proxies tend to insist on having a LAN connection ....
   ;-( In some cases, it's very nice to have a periodically-updated,
   read-only copy of a repository.

-- 
	Darryl Okahata
	darrylo@soco.agilent.com
DISCLAIMER: this message is the author's personal opinion and does not
constitute the support, opinion, or policy of Agilent Technologies, or
of the little green men that have been following him all day.
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Received on Thu Mar 14 19:26:13 2002

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