[HDDS-4267] Ozone command always print warn message before execution

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Ozone CLI
• Target Version/s: 2.0.0
• Assignee: Unassigned
• Reporter: Yiqun Lin
• Created: 22/Sep/20 12:53
• Updated: 16/Dec/23 23:43

Description

Ozone command always print warn message before execution:

[hdfs@lyq yiqlin]$ ~/ozone/bin/ozone version
/home/hdfs/releases/ozone-1.0.0/etc/hadoop/hadoop-env.sh: line 34: ulimit: core file size: cannot modify limit: Operation not permitted

[hdfs@ yiqlin]$ ~/ozone/bin/ozone sh volume list
/home/hdfs/releases/ozone-1.0.0/etc/hadoop/hadoop-env.sh: line 34: ulimit: core file size: cannot modify limit: Operation not permitted

This is because that hdfs in my cluster cannot execute below command in hadoop-en.sh

# # Enable core dump when crash in C++
ulimit -c unlimited

ulimit -c was introduced in JIRA HDDS-3941. The root cause seems that ulimit -c requires root user to execute but hdfs user in my local is a non-root user.

Issue Links

• relates to: HDDS-3941 Enable core dump when crash in C++