[Mondrian] Mondrian Orchestrator SPI
pmgalves at gmail.com
Fri Sep 30 07:02:31 EDT 2011
I'd like to work on this one step at a time. Seems like the distributed
cache is already working, and since we have very limited time it'd be
good to start on it and after that work on the distributed executor. In
what version is this? 3.3, right? Will there be a working branch after
3.3 where we can test this? Would be hard to work on 4.0 as it stands
On Thu Sep 29 20:44:29 2011, Julian Hyde wrote:
> On Sep 29, 2011, at 7:16 AM, Luc Boudreau wrote:
>> Since you'll be writing a hazelcast implementation of the SegmentCache
> Very exciting!
>> we might throw into the deal a new SPI for Mondrian so we can
>> leverage hazelcast's task distribution capabilities.
>> Hazelcast can return a java.util.concurrent.ExecutorService. For
>> Mondrian, this means that it would simply have a new SPI which would
>> provide that service to the RolapResultShepherd. The default
>> implementation will run the tasks on the local machine, while allowing
>> the community to build their own executor service and customize how
>> and where the queries are executed by a cluster of Mondrian nodes.
> Can you sketch out some of the things we might do with a distributed executor service? Sounds to me like a solution in search of a problem. :)
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