Mark Payne created NIFI-14586:
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Summary: Expose CPU Time, Garbage Collection Time/Percent, etc. in
Status History
Key: NIFI-14586
URL: https://issues.apache.org/jira/browse/NIFI-14586
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Reporter: Mark Payne
Assignee: Mark Payne
We keep a bunch of metrics that are exposed only through a Diagnostic Dump
currently (I.e., bin/nifi.sh diagnostics <filename>).
These include, for each processor, how much of its time is spent using CPU (in
nanoseconds and in percentage of time running), how much time is spent waiting
on garbage collection to run, how much time is spent reading from/writing to
content repo, how much time is spent on session commit.
These are all retained within the FlowFileEventRepository. These should be
exposed in the UI in the Status History. Because these metrics are not always
gathered, if they are not gathered, we should simply return 0 for these metrics
and document it as such.
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