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Posted to common-issues@hadoop.apache.org by "Boqiang Liang (Jira)" <ji...@apache.org> on 2025/12/10 20:00:00 UTC

[jira] [Created] (HADOOP-19753) Support HADOOP_LOG_DAEMON_MODE environment variable

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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