fP transaction-based clustering - viability?

[tom heine]

we'd be interested mark.

tom

----- Original Message ----- 
From: "Fairlight" <fairlite at fairlite.com>
To: "filePro Mailing List" <filepro-list at lists.celestial.com>
Sent: Friday, November 05, 2004 5:56 AM
Subject: fP transaction-based clustering - viability?


> Hi All,
> 
> I'm curious how many people have multiple fP servers out there which have
> data on them that they wish to keep synchronised in near-realtime (say less
> than 2min propogation) or in -actual- full realtime, in a transactional
> fashion.
> 
> Several people are using rsync, ftp, scp, et al. as more periodic (nightly
> or a few times per day) backup/sync "solutions", but that simply doesn't
> cut it if you have two or five web servers, all of which are supposed to be
> load-balanced and serving the same data at any given point, or if you have
> multiple servers which are used to balance the load of internal operations
> but run into the same issue--all data isn't always present on every server
> immediately.  And even rsync isn't safe for realtime work when files are in
> use.  Too many timing issues.  NFS has its definite downsides--even using
> v3 of NFS.
> 
> We need transactions, IMHO.  At least -some- places do.  I'm trying to get
> a feel for the bigger picture, and whether this is worth the expenditure of
> time and effort to design and get it working reliably.  It's not what I'd
> call a trivial or even semi-trivial "pet" project that I usually work on in
> my Copious Spare Time.  :)
> 
> So...I'm asking, up-front and out-loud, whether anyone else here at all is
> interested in such a synchronisation scenario coming to fruition (*unix or
> 'doze...doesn't matter with what I have in mind) as an external hook-in,
> since I kind of doubt fP-Tech will be doing this Anytime Real Soon.  I'm
> also curious what those that may be interested in such a solution would
> consider sucn a solution worth in monetary terms.
> 
> Feel free to answer on-list or in private.  I read the list, so either is
> fine with me.
> 
> TIA.
> 
> mark->
> -- 
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