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https://issues.apache.org/jira/browse/MAPREDUCE-4594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Radim Kolar updated MAPREDUCE-4594:
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Description:
The Partitioner supports only the Configurable API, which can be used for basic
init in setConf(). Problem is that there is no shutdown function.
I propose to use standard setup() cleanup() functions like in mapper / reducer.
Use case is that I need to start and stop spring context and datagrid client.
was:
The Partitioner and the RawComparator interfaces/extension points support only
the Configurable API, which can be used for basic
init in setConf(). Problem is that there is no shutdown function.
I propose to use standard setup() cleanup() functions like in mapper / reducer.
Use case is that I need to start and stop spring context and datagrid client.
Hadoop Flags: (was: Incompatible change)
Summary: Add init/shutdown methods to mapreduce Partitioner (was: Add
init/shutdown methods to Partitioner and RawComparator)
> Add init/shutdown methods to mapreduce Partitioner
> --------------------------------------------------
>
> Key: MAPREDUCE-4594
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4594
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: client
> Affects Versions: trunk
> Reporter: Radim Kolar
>
> The Partitioner supports only the Configurable API, which can be used for
> basic init in setConf(). Problem is that there is no shutdown function.
> I propose to use standard setup() cleanup() functions like in mapper /
> reducer.
> Use case is that I need to start and stop spring context and datagrid client.
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