Goran Zuzic 8f33269b03 Make System a singleton + Fix some protocol errors

Reviewers: mferencevic, sasa.stanko

Reviewed By: mferencevic, sasa.stanko

Differential Revision: https://phabricator.memgraph.io/D693

2017-08-22 16:30:25 +02:00

distributed memgraph

This subdirectory structure implements distributed infrastructure of Memgraph.

terminology

Memgraph Node Id (mnid): a machine (processs) that runs a (distributed) Memgraph program.
Node: a computer that performs (distributed) work.
Vertex: an abstract graph concept.
Reactor: a unit of concurrent execution, lives on its own thread.
Connector: a (one-way) communication abstraction between Reactors. The reactors can be on the same machine or on different processes.
EventStream: read-end of a connector, is owned by exactly one Reactor/thread.
Channel: write-end of a connector, can be owned (wrote into) by multiple threads.

Locked: A method having a Locked... prefix indicates that you have to lock the appropriate mutex before calling this function.