[jira] [Created] (HDDS-4984) Async profiler 2.0 no longer supports svg output

["Wei-Chiu Chuang (Jira)" <ji...@apache.org>]

Wei-Chiu Chuang created HDDS-4984:
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             Summary: Async profiler 2.0 no longer supports svg output
                 Key: HDDS-4984
                 URL: https://issues.apache.org/jira/browse/HDDS-4984
             Project: Apache Ozone
          Issue Type: Improvement
            Reporter: Wei-Chiu Chuang


HDDS-1116 added the servlet for async profiler which outputs a flame graph in svg format.

The async profiler (https://github.com/jvm-profiling-tools/async-profiler) 2.0 no longer supports svg. Instead, html only. Therefore, Ozone can't use the latest async profiler.

File this patch to make a small change to output html format.

Essentially, Ozone's async profiler servlet creates a process of "/path/to/profiler.sh -e cpu -d 10 -o svg -f /path/to/output.svg pid" We should make it "-o html -f /path/to/output.html"



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