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https://issues.apache.org/jira/browse/HADOOP-14862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16172346#comment-16172346
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John Zhuge commented on HADOOP-14862:
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Make sure it captures HTTP Status 429 Too Many Requests for throttling.
> 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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