John Zhuge created HADOOP-14862:
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Summary: Metrics for AdlFileSystem
Key: HADOOP-14862
URL: https://issues.apache.org/jira/browse/HADOOP-14862
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/adl
Affects Versions: 2.8.0
Reporter: John Zhuge
Add a Metrics2 source {{AdlFileSystemInstrumentation}} for {{AdlFileSystem}}.
Consider per-thread statistics data if possible. Atomic variables are not
totally free in multi-core arch. Don't think Java can do per-cpu data structure.
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