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From "Miro Walker" <miro.wal...@cognifide.com>
Subject RE: Google Summer of Code project for Jackrabbit
Date Wed, 24 May 2006 13:37:57 GMT
Another quick point on the same (similar?) issue - you have mentioned
that you only intend to support XMLPersistenceManager or ObjectPM, in
which case it would appear transaction-related issues are irrelevant, as
neither of these PMs support transactions. Or have I misunderstood?

Great idea for a project, though - jackrabbit is sorely lacking
operational support tools in general, and backup is a great first step.

miro

-----Original Message-----
From: tobias.strasser@gmail.com [mailto:tobias.strasser@gmail.com] On
Behalf Of Tobias Bocanegra
Sent: 24 May 2006 14:35
To: dev@jackrabbit.apache.org
Subject: Re: Google Summer of Code project for Jackrabbit

hi nicolas,
sounds very promising. just one important comment so far:

> - All updates and read are isolated through transactions. Do we need
to
> define a locking strategy? If I am correct, I can read a node even
though it
> is locked and it is threadsafe. You don't commit an incoherent
modification.

thats not quite true, they are only "READ COMMITTED" isolated. i.e.
you need to lock the entire workspace before you can perform a backup.

regards, tobi
-- 
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Tobias Bocanegra, Day Management AG, Barfuesserplatz 6, CH - 4001 Basel
T +41 61 226 98 98, F +41 61 226 98 97
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