Ivan Andika created HDDS-13014:
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Summary: Improve PrometheusMetricsSink#putMetrics performance
Key: HDDS-13014
URL: https://issues.apache.org/jira/browse/HDDS-13014
Project: Apache Ozone
Issue Type: Improvement
Reporter: Ivan Andika
Assignee: Ivan Andika
Attachments: s3g-5m-flamegraph.html
>From the 5 minutes flamegraph of S3G, we see that nearly 40% of the CPU usage
>are spent on PrometheusMetrics#putMetrics.
Moreover, 30% of the CPU usage are attributed only for
PrometheusMetricsSinkUtil#prometheusName. We see that most of the time are
spent on regex matching.
We need to find a way to improve the performance, possibly removing regex
matching entirely.
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