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