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From "Ikhtiyor Ahmedov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-772) When selected KeyValueTextInputFormat, workers get only one value for key
Date Tue, 02 Jul 2013 01:29:19 GMT

     [ https://issues.apache.org/jira/browse/HAMA-772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ikhtiyor Ahmedov updated HAMA-772:
----------------------------------

    Description: 
When KeyValueTextInputFormat selected as job input format, worker tasks are getting only one
value for given key.
Reason: In PartitioningRunner class for collecting data into memory used Map<Integer, Map<Writable,
Writable>>, where Integer for worker id, Map is for key/values, if multiple values for
same key, all values will be overwritten by the last value.

  was:
When KeyValueTextInputFormat selected as job input format, worker tasks are getting only one
value for given key.
Reason: In PartitioningRunner class for collecting data into memory used Map<Integer, Map<Writable,
Writable>>, where Integer for worker id, Map is for key/values, if multiple values for
same key, all values will be overwritten.

    
> When selected KeyValueTextInputFormat, workers get only one value for key
> -------------------------------------------------------------------------
>
>                 Key: HAMA-772
>                 URL: https://issues.apache.org/jira/browse/HAMA-772
>             Project: Hama
>          Issue Type: Bug
>          Components: bsp core
>    Affects Versions: 0.6.2
>            Reporter: Ikhtiyor Ahmedov
>            Priority: Minor
>             Fix For: 0.7.0
>
>   Original Estimate: 6h
>  Remaining Estimate: 6h
>
> When KeyValueTextInputFormat selected as job input format, worker tasks are getting only
one value for given key.
> Reason: In PartitioningRunner class for collecting data into memory used Map<Integer,
Map<Writable, Writable>>, where Integer for worker id, Map is for key/values, if
multiple values for same key, all values will be overwritten by the last value.

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