[infinispan-dev] ISPN-232 - feedback needed

[Manik Surtani]

On 25 May 2010, at 14:15, Mircea Markus wrote:

>>> 
>>> But, I'd be concerned about an Infinispan thread that's needed 
>>> for doing a lot of critical work during a view change getting tied up 
>>> making a ton of notifications.
>> 
>> ^^ Yeah that's my concern.  If during a rehash we need to stop at every entry that is being moved and issue a notification, that could be costly and really slow down the rehashing process.
> Can't we register an *async* notification listener on ViewChanged ? 

You'd still have a *lot* of notifications being queued up for the notification executor since you will have 1 event *per entry* that is moved.  Could be thousands, tens of thousands in cases.  All other notifications will be severely delayed (depending on your async notifier executor threadpool size)


--
Manik Surtani
manik at jboss.org
Lead, Infinispan
Lead, JBoss Cache
http://www.infinispan.org
http://www.jbosscache.org