[ANN] Magma 1.4

[Milan Mimica]

So where is the changelog?


On 28 December 2012 23:13, Chris Muller <asqueaker at gmail.com> wrote:

> cc: Magma list
>
>
> ---------- Forwarded message ----------
> From: Chris Muller <ma.chris.m at gmail.com>
> Date: Fri, Dec 28, 2012 at 3:53 PM
> Subject: [squeak-dev] [ANN] Magma 1.4
> To: squeak dev <squeak-dev at lists.squeakfoundation.org>
>
>
> I am pleased to announce the release of Magma 1.4 for Squeak 4.4.
> Magma is a database for Squeak that allows complex domain models to be
> developed with virtually no regard for persistence issues.  Said
> models can run entirely in memory without Magma even loaded in the
> image or, by loading Magma, the size of the domain model can exceed
> the size of RAM and be simultaneously accessed and updated by multiple
> clients over a network with ACID properties.  Further, by copying the
> database files to another machine on same network and starting a
> server on them, uninterrupted 24x7 service is gained automatically --
> either server can go down at any time and will be automatically sync'd
> from the other when restarted.
>
> Magma regards data-integrity as a top priority.  My oldest critical
> database still running today was "born" in 2004 and has survived major
> domain refactorings, 8 years of Magma upgrades, two hard-drive crashes
> and several power-outages.  By hashing the contents of every commit,
> and writing them atomically to disk (among other security measures),
> Magma is an ultra-safe place to develop and store mission-critical
> objects.  Correct mcz versions of domain code can be co-located in the
> same repository as the model it runs, ensuring full application
> recoverability even in the worst circumstances.
>
> I've learned that transparent persistence is a complex problem that,
> IMO, only a mature framework can deliver in a mature way.  Magma 1.4
> brings heightened levels of stability, robustness and performance over
> its predecessor.  Applications just run better, faster, with better
> memory management, usability and performance.  The change-log has all
> of the gory details.  This, combined with the recent release of Cog
> 2640, IMO, makes Squeak+Magma a fantastic platform.
>
> PS - Even if you don't use Magma for persistence in your own
> applications, simply starting an empty database and copying all of
> your mcz's to it allows the Squeak IDE to show all "mc versions" and
> the "mc origin" of any method as options on the methods menu, very
> nice for general development.
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>



-- 
Milan Mimica
http://sparklet.sf.net
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