Remove 'port rolling' from Mini{DFS|MR}Cluster
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Key: HADOOP-1085
URL: https://issues.apache.org/jira/browse/HADOOP-1085
Project: Hadoop
Issue Type: Bug
Components: test
Affects Versions: 0.12.0
Reporter: Arun C Murthy
Assigned To: Arun C Murthy
Priority: Critical
Fix For: 0.12.1
The rolling of ports in these 2 clusters lead to a lot of timing issues and
failed test cases; as witnessed in our patch process.
The way around is to let the OS pick the port for the NameNode/JobTracker and
let the the DataNode/TaskTracker query them for the port to connect to and then
use that port.
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