Twister2 Release 0.3.0-rc2

This is a major release of Twister2.

You can download source code from Github

Features of this release

In this release we moved to OpenMPI 4.0.1 and Python 3. Also we tested Twister2 with JDK 11.

1. The initial version of Apache BEAM integration
2. Fully functioning TSet API
3. Simulator for writing applications with IDE
4. Organize the APIs to facilitate easy creation of applications
5. Improvements to performance including a new routing algorithm for shuffle operations
6. Improved batch task scheduler (new batch scheduler)
7. Inner joins and outer joins
8. Support for reading HDFS files through TSet API
9. The initial version of fault tolerance with manual restart
10. Configuration structure improvements
11. Nomad scheduler improvements
12. New documentation website

Minor features

Apart from these, we have done many code improvements and bug fixes.

Next Release

In the next release we are working onto consolidate the Apache Beam integration and improve the
fault tolerance (automatic restart of wokers)