[jira] [Created] (MAHOUT-1872) Implementation Issue of getting number of users in ParallelALSFactorizationJob.java

["Tarun Gulyani (JIRA)" <ji...@apache.org>]

Tarun Gulyani created MAHOUT-1872:
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             Summary: Implementation Issue of getting number of users in ParallelALSFactorizationJob.java
                 Key: MAHOUT-1872
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1872
             Project: Mahout
          Issue Type: Bug
          Components: Collaborative Filtering
    Affects Versions: 0.12.2, 0.12.1, 1.0.0, 0.13.0
         Environment: Ubuntu-14.04, Apache Hadoop-2.6.0, Java-1.8
            Reporter: Tarun Gulyani
             Fix For: 1.0.0, 0.13.0, 0.12.2, 0.12.1


Code "int numUsers = (int) userRatings.getCounters().findCounter(Stats.NUM_USERS).getValue();" is calling in "ParallelALSFactorizationJob.java" after completion of "average rating" job which is called after "user rating" job. Therefor JobClient not able to get the information of number of user directly from Application Master and to get this information it redirect to Job History Server. 
Therefore ALS job able to run successfully unless Job History Server is running. 



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