Distributed Matrix Multiplication

References:

https://grpc.io/

https://grpc.io/docs/languages/java/basics/

https://spring.io/guides/tutorials/rest/

Setup:

At least 9 servers

1. Clone this repo into each server
2. run sudo apt install default-jdk maven on each server
3. on client server cd into grpc-client and run ./mvnw clean spring-boot:run
4. on the rest of the servers cd into grpc-server and run ./mvnw clean spring-boot:run -Dmaven.test.skip=true

To upload matrix file use <server_public_ip>:8082/upload. The call accepts a body form data with 2 keys:

1. file - txt file containing 2 matrices - check provided file (MatrixFormatFile.txt) for matrix format
2. deadline - in seconds

NOTE:

This version is implemented using ServiceNameBlockingStub for better performance and scalling an asynchronous stub can be used: https://grpc.io/docs/languages/java/generated-code/#asynchronous-stub