[infinispan-dev] Asymmetric caches and manual rehashing design

[Dan Berindei]

On Sep 28, 2011 5:24 PM, "Mircea Markus" <mircea.markus at jboss.com> wrote:
>
> Nice stuff.
>
> Some q:
>
> - When a node CM that has c1 and c2 caches running on it goes down, you'll
end up having  REQUEST_LEAVE(c1) and REQUEST_LEAVE(c2) at the same time. Is
this handled in serial or in parallel?
>

In parallel, although that shouldn't matter because the rebalance is
triggerred asynchronously.

> - The view updates can be disabled dynamically (DISABLE_VIEW_UPDATES).
Shouldn't we also be able to re-enabled them manually after that?
>
> The view accept handler updates the pending view acquires the view change
lock in exclusive mode, then releases it immediately
> Shouldn't this be:
> - acquire exclusive lock
> - updates the pending view
> - release lock
> ?

Right, what I meant to say is that it doesn't hold the lock for the entire
duration of the rebalance task.

>
> On 27 Sep 2011, at 17:22, Dan Berindei wrote:
>
>> Following the discussions last week I've written up a wiki page
>> describing the strategies for cache view management and state transfer
>> that will enable asymmetric caches and manual rehashing:
>> http://community.jboss.org/wiki/AsymmetricCachesAndManualRehashingDesign
>>
>> The state transfer part is not very detailed, as you'll see we want to
>> go with a non-blocking approach but I'm not sure we can finish that
>> for 5.1 so we're keeping a blocking fallback option.
>>
>> Your comments are welcome, either on the list or on the wiki page.
>>
>> Dan
>> _______________________________________________
>> infinispan-dev mailing list
>> infinispan-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>
>
>
> _______________________________________________
> infinispan-dev mailing list
> infinispan-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/infinispan-dev
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/infinispan-dev/attachments/20110928/fde84ccd/attachment-0001.html