[infinispan-dev] Counters and their configurations in Infinispan server (DMR)
Pedro Ruivo
pedro at infinispan.org
Thu Nov 2 11:07:52 EDT 2017
Hi,
IMO, I would separate the concept of counter and configuration.
Even if an user doesn't create many counters, I think most of them will
share the same configuration. As a bad example, if you want to counter
oranges and apples, you're going to use the same configuration...
probably :)
In addition, it is symmetric to the cache DMR tree. This would reduce
the learning curve if the user is already used to cli (i.e create caches).
Cheers,
Pedro
On 02-11-2017 12:33, Vladimir Blagojevic wrote:
> Hey guys,
>
> How do you anticipate users are going to deal with counters? Are they
> going to be creating a lot of them in their applications, say dozens,
> hundreds, thousands?
>
> I am asking because I have a dilemma about their representation in DMR
> and therefore in the admin console and potentially wider. The dilemma is
> related to splitting the concepts and the mapping between counter
> configuration and counter instances. On one end of the possible spectrum
> use, if users are going to have many counters that have the same
> configuration then it makes sense to delineate the DMR concept of the
> counter configuration and its counter instance just like we do for
> caches and cache configuration templates. We deal with cache
> configurations as templates; one could create hundreds of caches from
> the same template. Similarly, we can do with counters. On the other end
> if users are going to create very few counters then it likely does not
> make much sense to separate counter configurations from its instance,
> they would have one to one mapping. For each new counter, users would
> just enter counter configuration and launch an instance of a
> corresponding counter.
>
> The first approach saves resources and makes large counter
> instantiations easier while the second approach is easier to understand
> conceptually but is inefficient if we are going to have many counter
> instance.
>
> Thoughts?
>
> Vladimir
>
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