johnyangk opened a new pull request #113: [NEMO-15] Run Spark ALS in 
distributed mode
URL: https://github.com/apache/incubator-nemo/pull/113
 
 
   JIRA: [NEMO-15: Run Spark ALS in distributed 
mode](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-15)
   
   **Major changes:**
   - Removes 'sideinput' from IRDAG, and instead introduces 
BroadcastVariableProperty
   - InMasterBroadcastVariables/BroadcastManagerWorker: Components that deal 
with broadcast variables
   - New RPC messages for exchanging broadcast variables between 
client->driver, and driver<->executor 
   
   **Minor changes to note:**
   - Explicit scala lambdas (update_ms, update_us) to get around serialization 
errors
   
   **Tests for the changes:**
   - SparkScala#testALS
   
   **Other comments:**
   - This PR also closes: [NEMO-14] Re-investigate Broadcast and SideInputs
   
   Closes #GITHUB_PR_NUMBER
   

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