[jbosscache-dev] Re: Rolling back transactions for state transfer

[Manik Surtani]

For locally originating txs (on the sender - if the sender has locked  
the tree to prepare state) this is correct.  Still though, if (due to  
network lag) the receiver receives the prepare() before the state,  
the prepare() will lock the tree.

Are you referring to started transactions started locally on the  
joiner?  I don't see how this could happen anyway...



--
Manik Surtani

Lead, JBoss Cache
JBoss, a division of Red Hat

Email: manik at jboss.org
Telephone: +44 7786 702 706
MSN: manik at surtani.org
Yahoo/AIM/Skype: maniksurtani


On 13 Sep 2006, at 13:10, Bela Ban wrote:

> Guys,
>
> if we use optimistic locking, I think we would *not* need to do  
> this for locally started transactions, correct ? The workspaces  
> which contain the work of the local transactions would simply be  
> blocked when they try to start the 2PC (until state transfer is  
> over), but we would not need to discard them.
>
> Is this correct ?
> -- 
> Bela Ban
> Lead JGroups / Manager JBoss Clustering Group
> JBoss - a division of Red Hat

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