[Xen-API] using Irmin to distribute the xapi database

[Dave Scott <Dave.Scott@xxxxxxxxxx>]

Hi,

John Else, Thomas Sanders and I spent a couple of days hacking up a prototype 
xapi[1] which uses Irmin[2] to store host and VM configuration in git. It seems 
very promising to me: I particularly like the way I can associate threads 
(Tasks in xapi-speak) with Irmin views (mapped onto git topic branches) which 
remain isolated while running (avoiding scalability and correctness problems I 
currently have due to accidental *lack* of isolation) and which get merged on 
completion.

If anyoneâs interested Iâve written up a basic design doc here:

https://github.com/xapi-project/xen-api/blob/master/doc/futures/distributed-database/README.md

Cheers,
Dave

[1] https://github.com/xapi-project/xapi
[2] https://github.com/mirage/irmin


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