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Kv Broker

Description

It is responsible for accepting queries and redirecting requests to the Key-Value servers, collecting the results and presenting them to the user.

How to run

  • Execute:
    • eg: java -jar kv-broker/target/kv-broker-1.0-SNAPSHOT-jar-with-dependencies.jar ~/Desktop/m111_kv_christidis_nikolaos/kv-broker/sampleServerFile.txt 3
    • eg: java -jar kv-broker/target/kv-broker-1.0-SNAPSHOT-jar-with-dependencies.jar ~/Desktop/m111_kv_christidis_nikolaos/kv-broker/sampleServerFile.txt ~/Desktop/m111_kv_christidis_nikolaos/kv-broker/sampleData.txt 3
    • Sample output: 
            nchristidis@nchristidis-gl502vmk ~/Desktop/m111_kv_christidis_nikolaos (main)$ java -jar kv-server/target/kv-server-1.0-SNAPSHOT-jar-with-dependencies.jar 127.0.0.1 8081
      >>>server__127.0.0.1### kvServer is up and running at: /127.0.0.1:8081
      server with name: server__127.0.0.1 is up at host: 127.0.0.1:8081

More info in provided parameters

  •       Parameters:
          -s serverFile.txt      --> file which has hostname and ports so that broker can connect
          -i dataToIndex.txt     --> not mandatory / path to file generated from `data-injector` which contains data that will be send from broker to kv-server
          -k 2                   --> replication factor

  • Keep in mind that parameters are passed as positional (not name binding ones), correct usage: java -jar kv-broker/target/kv-broker-1.0-SNAPSHOT-jar-with-dependencies.jar ~/Desktop/m111_kv_christidis_nikolaos/kv-broker/sampleServerFile.txt 3