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https://issues.apache.org/jira/browse/HDDS-13014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Andika updated HDDS-13014:
-------------------------------
Summary: Improve PrometheusMetricsSink#normalizeName performance (was:
Improve PrometheusMetricsSink#putMetrics performance)
> Improve PrometheusMetricsSink#normalizeName 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
> Priority: Major
> 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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