[infinispan-dev] Entry grouping feature

[Galder Zamarreno]

On 12/03/2009 06:42 PM, Manik Surtani wrote:
>
> On 3 Dec 2009, at 10:42, Galder Zamarreno wrote:
>
>>
>>
>> On 12/03/2009 11:38 AM, Galder Zamarreno wrote:
>>>
>>>
>>> On 12/01/2009 06:48 PM, Mindaugas Žakšauskas wrote:
>>>> Hi there,
>>>>
>>>> I am in process of reviewing Infinispan as, among other things, a
>>>> replacement of OSCache library we currently use. So far, it looks very
>>>> promising project - well done, guys!
>>>>
>>>> Anyway, one of the features we heavily rely on seems to be missing.
>>>> The feature is called "grouping", allowing to "bind" multiple
>>>> components and possibly flush them even without knowing of their keys.
>>>> E.g.:
>>>>
>>>> Cache cache = ....;
>>>> cache.put("key1", "value1", "groupX");
>>>> cache.put("key2", "value2", "groupX");
>>>> cache.flushGroup("groupX"); // this would evict both key1 and key2
>>>> as they belong to groupX
>>>>
>>>> For more details, you can have a look at [1].
>>>>
>>>> I've looked at the Infinispan's roadmap/JIRA, but couldn't find a
>>>> single trace of this feature mentioned anywhere.
>>
>> Note also that I don't think you're the only one wanting to do this.
>> Brian Stansberry, AS Clustering lead, wants something similar so that an
>> http session that is stored into Infinispan can be treated as a group
>> bearing in mind that a session contains a several k,v pairs.
>
> For different reasons.  Brian's using AtomicMaps to gain "coarse locking and fine replication" characteristics of the AtomicMap - not the "group-flushing" effect.

True, but the group flushing could be achieved using the same construct, 
couldn't it?

>
> --
> Manik Surtani
> manik at jboss.org
> Lead, Infinispan
> Lead, JBoss Cache
> http://www.infinispan.org
> http://www.jbosscache.org
>
>
>
>
>
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-- 
Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache