[infinispan-dev] Conflict Manager and Partition Handling Blog

[Ryan Emerson]

> The option `REMOVE_ALL` seems sensible for the disposable Cache use
> case. One question though: if one partition has a defined value for a
> key, while the other partition has no value (null) for this same key,
> is it considered a conflict?
> I think you need to clarify if a "null" in a subset of partitions
> causes the conflict merge to be triggered or not. I think it should:
> for example having the cache use case in mind, an explicit
> invalidation needs to be propagated safely.

Yes a combination of null/non-null entries is detected as a conflict. So in the use-case you describe, utilising the REMOVE_ALL strategy would result in the cache entry being removed from the cache on merge.

Cheers
Ryan