KerA is a distributed message broker inspired by Apache Kafka developed by INRIA (Rennes) and University of Luxembourg. KerA focuses on load balancing, fault tolerance and fast networking using InfiniBand. Its implementation builds upon the RAMCloud system. KerA itself does not provide stream analytics but can be integrated with different stream processing system, e.g. Apache Flink. So far the integration is done using Apache Plasma allowing data exchange using shared memory between a KerA process and a Flink instance running on the same machine. The main objective of this thesis is to replace the current log-structured memory implementation in KerA by RocksDB. The latter can already been used for storing state in Apache Flink which will allow direct data exchange between KerA and Flink through RocksDB avoiding copying data from and to shared space managed by Apache Plasma. |