jsr340-experts@servlet-spec.java.net

[jsr340-experts] Re: [servlet-spec users] Re: Support for Platform as a service model in Java EE

From: Rajiv Mordani <rajiv.mordani_at_oracle.com>
Date: Tue, 31 May 2011 16:56:26 -0700

  Greg, Wenbo,
     Can you'll please file JIRA issues (for tracking purposes) so that
we can track it? At this time I didn't have any thoughts on the session
model but we can discuss it and see what needs / can be done in this
release of the spec.

- Rajiv

On 5/29/2011 6:28 PM, Greg Wilkins wrote:
> On 29 May 2011 20:44, Wenbo Zhu<wenbozhu_at_gmail.com> wrote:
>>> But potentially we can come up with a tighter session model that works
>>> well with the cloud/cluster and allow applications to opt into that
>>> tighter model.
>> I see the need for a weaker session model ;)
> I mean a tighter definition of what the session distribution semantics
> are. If we agree that the semantics we want include some relaxation
> of concurrency constraints - then fine.... so long as it is well
> defined in terms of this like granularity - by session or by
> attribute. eg given a concurrent update of a session in two different
> instances, will the resulting session state be the merge of those
> instances with a conflict only if the same attribute was updated in
> both or will 1 instance or the other be the ultimate version?
>
> cheers