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[MAPREDUCE-4023] Make Yarn Client service shutdown operations robust - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-4023    Author: Steve Loughran, 2012-03-16, 15:37
[MAPREDUCE-4022] Make Yarn Node Manager services robust against shutdown - MapReduce - [issue]
...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 ...
http://issues.apache.org/jira/browse/MAPREDUCE-4022    Author: Steve Loughran, 2012-03-16, 15:33
[MAPREDUCE-4021] Make yarn Resource Manager services robust against shutdown - MapReduce - [issue]
...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....
http://issues.apache.org/jira/browse/MAPREDUCE-4021    Author: Steve Loughran, 2012-03-16, 15:25
[MAPREDUCE-4015] Yarn services to throw a YarnException on invalid state changs - MapReduce - [issue]
...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 ...
http://issues.apache.org/jira/browse/MAPREDUCE-4015    Author: Steve Loughran, 2012-03-15, 16:41
[MAPREDUCE-4016] CompositeService should clone the Configurations it passes to children - MapReduce - [issue]
...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 ...
http://issues.apache.org/jira/browse/MAPREDUCE-4016    Author: Steve Loughran, 2012-03-15, 16:36
[MAPREDUCE-3995] Add support for  static service lifecycle listeners . - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-3995    Author: Steve Loughran, 2012-03-15, 15:10
[MAPREDUCE-3965] JobConf.findContainingJar NPEs if it can't find the classloader of a class - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-3965    Author: Steve Loughran, 2012-03-03, 14:31
[MAPREDUCE-1332] Ant tasks for job submission - MapReduce - [issue]
...Ant tasks to make it easy to work with hadoop filesystem and submit jobs. <submit> : uploads JAR, submits job as user, with various settingsfilesystem operations: mkdir, copyin, copyou...
http://issues.apache.org/jira/browse/MAPREDUCE-1332    Author: Steve Loughran, 2012-02-18, 16:24
[MAPREDUCE-3535] Yarn service subclasses don't check for service state before executing their state change operations - MapReduce - [issue]
...Although there are checks in the lifecycle state change methods (start, stop, ...), they only get checked in the superclass. The subclasses don't check it; they don't exit the start() method...
http://issues.apache.org/jira/browse/MAPREDUCE-3535    Author: Steve Loughran, 2011-12-12, 19:41
[MAPREDUCE-3430] Shell variable expansions in yarn shell scripts should be quoted - MapReduce - [issue]
...The various yarn shell scripts assume that JAVA_HOME, HADOOP_COMMON_HOME, YARN_CONFIG_DIR etc are all in directories without spaces. This likely to break on windows, where JAVA_HOME is often...
http://issues.apache.org/jira/browse/MAPREDUCE-3430    Author: Steve Loughran, 2011-11-18, 16:03
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB