Boqiang Liang created HADOOP-19753:
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Summary: Support HADOOP_LOG_DAEMON_MODE environment variable
Key: HADOOP-19753
URL: https://issues.apache.org/jira/browse/HADOOP-19753
Project: Hadoop Common
Issue Type: Improvement
Reporter: Boqiang Liang
Support a new environment variable HADOOP_LOG_DAEMON_MODE to allow dynamically
setting HADOOP_ROOT_LOGGER and HADOOP_LOGFILE to same values as if using
--daemon option to run hadoop services
hadoop systemd services run the daemon process in the forground without using
--daemon option. However, HADOOP_ROOT_LOGGER and HADOOP_LOGFILE values will
only be set dynamically when using --daemon flag. For systemd services, we want
to have same default settings for HADOOP_ROOT_LOGGER and HADOOP_LOGFILE as the
background daemon case.
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