Attila Doroszlai created HDDS-2654:
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Summary: Conditionally enable profiling at the kernel level
Key: HDDS-2654
URL: https://issues.apache.org/jira/browse/HDDS-2654
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Components: docker
Reporter: Attila Doroszlai
Assignee: Attila Doroszlai
Extend {{entrypoint.sh}} to set the kernel parameters required for profiling if
the {{ASYNC_PROFILER_ENABLED}} environment variable is set.
Ref:
{code:title=https://cwiki.apache.org/confluence/display/HADOOP/Java+Profiling+of+Ozone}
echo 1 > /proc/sys/kernel/perf_event_paranoid
echo 0 > /proc/sys/kernel/kptr_restrict
{code}
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