Ignite与Spark

Ignite is in-memory computing system that means it stream RAM as a primary storage engine,whereas in spark only RAM used for processing.

Apache Ignite provides an implementation of Spark RDD abstraction which allows to easily share state in memory across multiple Spark job.

Shared RDDs ,IgniteRDD is an implementation of native Spark RDD and DataFrame APIs which, in addition to all the standard RDD functionality, also shares the state of the RDD across other Spark jobs, applications and workers