GitHub user olegz opened a pull request:
https://github.com/apache/spark/pull/2849
Initial commit to provide pluggable strategy to facilitate access to nat...
Initial commit to provide pluggable strategy to facilitate access to native
Hadoop resources
Added HadoopExecutionContext trait and its default implementation
DefaultHadoopExecutionContext
Modified SparkContext to instantiate and delegate to the instance of
HadoopExecutionContext where appropriate
Changed HadoopExecutionContext to JobExecutionContext
Changed DefaultHadoopExecutionContext to DefaultExecutionContext
Name changes are due to the fact that when Spark executes outside of Hadoop
having Hadoop in the name woudl be confusing
Added initial documentation and tests
polished scaladoc
annotated JobExecutionContext with @DeveloperAPI
eliminated TaskScheduler null checks in favor of NoOpTaskScheduler
to be used in cases where execution of Spark DAG is delegated to an
external execution environment
added execution-context check to SparkSubmit
Added recognition of execution-context to SparkContext
updated spark-class script to recognize when 'execution-context:' is used
polished merge
changed annotations from @DeveloperApi to @Experimental as part of the PR
suggestion
externalized persist and unpersist operations
added classpath hooks to spark-class
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/olegz/spark-1 SH-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2849.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2849
commit 84556c86f95500f89bb57f2bcc6c35f025799dc5
Author: Oleg Zhurakousky
Date: 2014-09-16T15:26:48Z
Initial commit to provide pluggable strategy to facilitate access to native
Hadoop resources
Added HadoopExecutionContext trait and its default implementation
DefaultHadoopExecutionContext
Modified SparkContext to instantiate and delegate to the instance of
HadoopExecutionContext where appropriate
Changed HadoopExecutionContext to JobExecutionContext
Changed DefaultHadoopExecutionContext to DefaultExecutionContext
Name changes are due to the fact that when Spark executes outside of Hadoop
having Hadoop in the name woudl be confusing
Added initial documentation and tests
polished scaladoc
annotated JobExecutionContext with @DeveloperAPI
eliminated TaskScheduler null checks in favor of NoOpTaskScheduler
to be used in cases where execution of Spark DAG is delegated to an
external execution environment
added execution-context check to SparkSubmit
Added recognition of execution-context to SparkContext
updated spark-class script to recognize when 'execution-context:' is used
polished merge
changed annotations from @DeveloperApi to @Experimental as part of the PR
suggestion
externalized persist and unpersist operations
added classpath hooks to spark-class
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