Distributed file system module

Class diagram

TaskExecutor

• is the most important class in VeloxMR. It dispatches Tasks to other remote TaskExecutors or local TaskHandlers.

TaskHandler

• has two sub-classes for C++ and Python. It effectively executes the map and reduces functions.

Ireader and Iwriter

• manages storing and reading idata. They store idata in a tree form which is then saved to disk

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Network module

Class diagram

It can be viewed as an Ad-hoc RPC library designed on the top of ASIO tuned to big data applications which provides streams, class serialization, and RPC to BOOST ASIO.