Dmitry, I don't think it's possible. Shared mode is supposed to help in the standalone mode, but in this mode server nodes are not required to have ignite-spark dependency. They just store data in caches.
-Val On Thu, Oct 27, 2016 at 12:02 PM, Dmitriy Setrakyan <[email protected]> wrote: > Why not make it mandatory only with "ignite-spark" dependency? > > On Thu, Oct 27, 2016 at 11:53 AM, Denis Magda <[email protected]> wrote: > > > Igniters, > > > > Presently, if someone starts up a cluster and has at least two nodes > > running on a single Unix machine then those nodes will be communicating > > over the shared memory (shmem) by default. > > > > This approach sounds absolutely reasonable for me but the shmem library > is > > not ideal at the moment. I observed many situations when a cluster got > > stuck in the production or during long running tests due to some unclear > > issues in shmem internals. Even from Ignite community side we have the > > following shmem related issues > > https://issues.apache.org/jira/browse/IGNITE-1578 < > > https://issues.apache.org/jira/browse/IGNITE-1578> > > https://issues.apache.org/jira/browse/IGNITE-1294 < > > https://issues.apache.org/jira/browse/IGNITE-1294> > > > > My proposal would be to make this library optional starting from the > > nearest Apache Ignite release. As far as I recall, it’s still mandatory > > because it's supposed that it speeds up our Spark and Hadoop > integrations. > > But I would avoid using something that can accelerate a solution and fail > > at some unpredictable time. > > > > Any thoughts or controversial arguments? > > > > — > > Denis > > > > >
