Alan M. Carroll created TS-3436:
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Summary: Add milestone data for API times
Key: TS-3436
URL: https://issues.apache.org/jira/browse/TS-3436
Project: Traffic Server
Issue Type: Improvement
Components: Core
Reporter: Alan M. Carroll
Add two new milestones that track API time, "active" and "total". These are
reasonably equivalent to "wall clock time" and "cpu time" concepts for process.
The total time measures how long, in real time, a transaction spends involved
with API callouts in plugins. The active time tracks the amount of time spent
in an API callout. When these two values are different this means time is being
spent either in lock contention to run the plugin continuation or waiting for
the plugin to re-enable the transaction. Originally I had just the "total"
counter but I think the ability to detect contention and wait is very valuable.
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