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From "Suneel Marthi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAHOUT-1872) Implementation Issue of getting number of users in ParallelALSFactorizationJob.java
Date Wed, 07 Sep 2016 04:37:20 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-1872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suneel Marthi updated MAHOUT-1872:
----------------------------------
    Fix Version/s:     (was: 0.12.2)
                       (was: 0.12.1)

> 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: 1.0.0, 0.12.1, 0.13.0, 0.12.2
>         Environment: Ubuntu-14.04, Apache Hadoop-2.6.0, Java-1.8
>            Reporter: Tarun Gulyani
>              Labels: easyfix, patch
>             Fix For: 1.0.0, 0.13.0
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> 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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