Add a username check in hadoop-daemon.sh
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Key: HADOOP-6590
URL: https://issues.apache.org/jira/browse/HADOOP-6590
Project: Hadoop Common
Issue Type: Improvement
Reporter: Scott Chen
Assignee: Scott Chen
Priority: Minor
We experienced a case that sometimes we accidentally started HDFS or MAPREDUCE
with root user. Then the directory permission will be modified and we have to
chown them. It will be nice if there can be a username checking in the
hadoop-daemon.sh script so that we always start with the desired username.
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