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[MAPREDUCE-5593] Cleanup code for AssignMapsWithLocality() in RMContainerAllocator - MapReduce - [issue]
...In RMContainerAllocator, AssignMapsWithLocality() is a very important method to assign map tasks on allocated containers with conforming different level of locality (dataLocal, rackLocal, et...
http://issues.apache.org/jira/browse/MAPREDUCE-5593    Author: Junping Du, 2013-11-13, 04:21
[MAPREDUCE-4900] Dynamic configuration for task slots on TT - MapReduce - [issue]
...The current Hadoop MRV1 resource management logic assumes per node slot number is static during the lifetime of the TT process. Allowing run-time configuration on per node slot will give us ...
http://issues.apache.org/jira/browse/MAPREDUCE-4900    Author: Junping Du, 2013-10-11, 00:33
[MAPREDUCE-5421] TestNonExistentJob is failed due to recent changes in YARN - MapReduce - [issue]
...After YARN-873, try to get an application report with unknown appID will get a exception instead of null. This cause test failure in TestNonExistentJob which affects other irrelevant jenkins...
http://issues.apache.org/jira/browse/MAPREDUCE-5421    Author: Junping Du, 2013-07-27, 00:00
[MAPREDUCE-4948] TestYARNRunner.testHistoryServerToken failed on trunk - MapReduce - [issue]
...The failed log:Error Messagenull expected:<> but was:<null>Stacktracejunit.framework.ComparisonFailure: null expected:<> but was:<null> at junit.framework.Assert.asse...
http://issues.apache.org/jira/browse/MAPREDUCE-4948    Author: Junping Du, 2013-01-19, 14:04
[MAPREDUCE-4660] Update task placement policy for NetworkTopology with 'NodeGroup' layer - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4660    Author: Junping Du, 2012-12-28, 09:21
[MAPREDUCE-4886] TestCapacityScheduler failed in branch-1 - MapReduce - [issue]
...The test failure on my local env is as following:compile-test:     [echo] contrib: capacity-scheduler    [javac] /home/jdu/bdc/hadoop-branch1/hadoop-common/src/...
http://issues.apache.org/jira/browse/MAPREDUCE-4886    Author: Junping Du, 2012-12-20, 10:16
[MAPREDUCE-4309] Make locatlity in YARN's container assignment and task scheduling pluggable for other deployment topology - MapReduce - [issue]
...There are several classes in YARN’s container assignment and task scheduling algorithms that relate to data locality which were updated to give preference to running a container on other loc...
http://issues.apache.org/jira/browse/MAPREDUCE-4309    Author: Junping Du, 2012-08-06, 09:43
[MAPREDUCE-4310] 4-layer topology (with NodeGroup layer) implementation of Container Assignment and Task Scheduling (for YARN) - MapReduce - [issue]
...There are several classes in YARN’s container assignment and task scheduling algorithms that related to data locality which were updated to give preference to running a container on the same...
http://issues.apache.org/jira/browse/MAPREDUCE-4310    Author: Junping Du, 2012-07-25, 17:23
[MAPREDUCE-4452] Several Findbugs issues with new FairScheduler in YARN - MapReduce - [issue]
...The good feature of FairScheduler is added recently to YARN. As recently PreCommit test from MAPREDUCE-4309, there are several bugs found by Findbugs related to FairScheduler:org.apache.hado...
http://issues.apache.org/jira/browse/MAPREDUCE-4452    Author: Junping Du, 2012-07-22, 10:38
[MAPREDUCE-4198] Update RackResolver and related tests to resolve host with new API from HADOOP-8304 (DNSToSwitchMapping should add interface to resolve individual host besides a list of host) - MapReduce - [issue]
...HADOOP-8304  (DNSToSwitchMapping should add interface to resolve individual host besides a list of host) will induce a new API to resolve individual host rather than a list of host. Her...
http://issues.apache.org/jira/browse/MAPREDUCE-4198    Author: Junping Du, 2012-07-01, 10:50
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