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[MAPREDUCE-3877] Add a test to formalise the current state transitions of the yarn lifecycle - MapReduce - [issue]
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...Add a test service that counts the number of times it's state methods are called; and can be set to raise an exception on any such entry. Use it to show what the current lifecycle state mode...
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http://issues.apache.org/jira/browse/MAPREDUCE-3877
Author: Steve Loughran,
2012-03-28, 09:11
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[MAPREDUCE-3970] Add ServiceOperations class to aid working with Services - MapReduce - [issue]
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...Add Helper methods to move things through lifecycles. init->start is common, stop-if-service!=null another. Some static methods can execute these, and even call stop() if init() raises an...
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http://issues.apache.org/jira/browse/MAPREDUCE-3970
Author: Steve Loughran,
2012-03-28, 07:42
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[MAPREDUCE-3909] javadoc the Service interfaces - MapReduce - [issue]
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...The Service interface doesn't describe what it does.The ServiceStateChangeListener interface doesn't define when the method is called, whether it is sync or async with a state change etc -yo...
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http://issues.apache.org/jira/browse/MAPREDUCE-3909
Author: Steve Loughran,
2012-03-28, 07:42
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[MAPREDUCE-4023] Make Yarn Client service shutdown operations robust - MapReduce - [issue]
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...Make the yarn client services more robust against being shut down while not started, or shutdown more than once, by null-checking fields before closing them, setting to null afterwards to pr...
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http://issues.apache.org/jira/browse/MAPREDUCE-4023
Author: Steve Loughran,
2012-03-16, 15:37
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[MAPREDUCE-4022] Make Yarn Node Manager services robust against shutdown - MapReduce - [issue]
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...Add the nodemanager bits of MAPREDUCE-3502 to shut down the Nodemanager services. This is done by checking for fields being non-null before shutting down/closing etc, and setting the fields ...
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http://issues.apache.org/jira/browse/MAPREDUCE-4022
Author: Steve Loughran,
2012-03-16, 15:33
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[MAPREDUCE-4021] Make yarn Resource Manager services robust against shutdown - MapReduce - [issue]
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...Split MAPREDUCE-3502 patches to make the RM code more resilient to being stopped more than once, or before started.This depends on MAPREDUCE-4014....
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http://issues.apache.org/jira/browse/MAPREDUCE-4021
Author: Steve Loughran,
2012-03-16, 15:25
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[MAPREDUCE-4015] Yarn services to throw a YarnException on invalid state changs - MapReduce - [issue]
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...the EnsureCurrentState() checks of services throw an IllegalStateException if the state is wrong. If this was changed to YarnException. wrapper services such as CompositeService could ...
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http://issues.apache.org/jira/browse/MAPREDUCE-4015
Author: Steve Loughran,
2012-03-15, 16:41
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[MAPREDUCE-4016] CompositeService should clone the Configurations it passes to children - MapReduce - [issue]
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...CompositeService.init(Configuration) saves the configuration passed in and passes the same instance down to all managed services. This means a change in the configuration of one child could ...
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http://issues.apache.org/jira/browse/MAPREDUCE-4016
Author: Steve Loughran,
2012-03-15, 16:36
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[MAPREDUCE-3995] Add support for static service lifecycle listeners . - MapReduce - [issue]
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...Add support to AbstractService that allow callers to register listeners for all instances. The existing listener interface could be used. This allows management tools to hook into the events...
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http://issues.apache.org/jira/browse/MAPREDUCE-3995
Author: Steve Loughran,
2012-03-15, 15:10
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[MAPREDUCE-3965] JobConf.findContainingJar NPEs if it can't find the classloader of a class - MapReduce - [issue]
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...I never knew that classes may not have classloaders, but it turns out they can -in which case Object.getClass().getClassLoader() will be null "This method will return null in such implementa...
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http://issues.apache.org/jira/browse/MAPREDUCE-3965
Author: Steve Loughran,
2012-03-03, 14:31
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