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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