[Building Sakai] Clustering a HashMap

[Speelmon, Lance]

Adrian - it has been a long time since I looked at this, but you might check out: http://www.jgroups.org/  Best, L


Lance Speelmon
Scholarly Technologist

On Jan 14, 2011, at 7:45 AM, Adrian Fish wrote:

> Does anybody have any experience with replicating a hashmap across a 
> cluster of Sakai's? The floating chat service keeps a couple of hashmaps 
> in memory which store heartbeats and messages from users. In a cluster 
> I'm assuming these will get out of sync so I need to work out how to 
> avoid that.
> 
> At the moment I'm playing with creating an EhCacheFactory bean in my 
> spring config, using the MemoryService to create a Cache instance and 
> then putting the hashmaps in that if they are not already there.
> 
> Any tips greatly appreciated :)
> 
> Cheers,
> 
> Adrian.
> 
> -- 
> ==================================
> Adrian Fish
> Software Engineer
> Centre for e-Science
> Bowland Tower South C Floor
> Lancaster University
> Lancaster
> LA1 4YW
> email: a.fish at lancaster.ac.uk
> 
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