Hi Alex,

'pool' and 'journal' answered my questions. thanks for the fast response!


On Wed, Jul 7, 2010 at 1:23 AM, Alexander Burger <a...@software-lab.de> wrote:
> Hi Edwin,
>> i'm now wondering as to what extent ACID properties are implemented in
>> the picolisp DB implementation.
> All processes operating on a database at a given time are children of a
> common parent process. If they use the database functionality in the
> recommended standard way (e.g. via the GUI), then ACID properties should
> be preserved.
> Some key functions are "http://software-lab.de/doc/refD.html#dbSync";,
> "http://software-lab.de/doc/refC.html#commit"; and related functions
> which build upon them like 'put!>' etc. (see
> "http://software-lab.de/doc/refE.html#entityMesssages";).
> These mechanisms synchronize transactions between the involved
> processes. So far about "Atomicity" and " Consistency". Concerning
> "Isolation" it is handled by using separate processes, and for
> "Durability" matters, the database can be opened in certain
> modes which involve transaction logs and mirroring schemes
> (see "http://software-lab.de/doc/refP.html#pool";).
> I hope these fragments of information help you for the moment. Please
> feel free to ask about details.
> Cheers,
> - Alex
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