[infinispan-dev] Cluster scaling

[Sanne Grinovero]

On 23 October 2012 14:53, Thomas Fromm <tf at tfromm.com> wrote:
> On 23.10.2012 15:36, Sanne Grinovero wrote:
>> Hi Thomas, what do you mean by "lost" entries? I'm pretty sure that if
>> an entry can't be find in any node Infinispan will attempt to look it
>> up from a CacheLoader.
>>
>
> Yes, if you know about the key. But size(), keyset() and so on are not
> aware that this particular key is not loaded.
> So you'll never know if you have all entries in cache... so you need to
> dig into the cache loader by yourself :-/
> This is a bit unsatisfying, rhauch wrote also ISPN ticket for this
> problem :-)
>
> This problem appears, when you start seeing ISPN not only as cache in
> classic way, but as storage.

As storage you should use either:
 - Map/Reduce (loads from CacheLoaders too)
 - Query (indexes all types so you don't lose track of them)
 - Hibernate OGM (model whatever you wan on it, including of course a
"load all" or "count" operation)

Cheers,
Sanne