perf(tracing): avoid unnecessary creations and garbage-collections of spans (from timers) #12080
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I'm open to suggestions in case there is a faster way to detect that we are in a timer context |
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Before this change timers would generate spans, which means DB and DNS spans in recurring timers would be continuously generated and garbage-collected. This commit checks the exact ngx phase and runs it against a whitelist to ensure `timer` phase does not generate spans.
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chobits
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Nov 23, 2023
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Summary
Before this change timers would generate spans, which means DB and DNS spans in recurring timers would be continuously generated and garbage-collected.
This commit checks the exact ngx phase and runs it against a whitelist of allowed phases to ensure the
timerphase does not generate spans.Checklist
changelog/unreleased/kongorskip-changeloglabel added on PR if changelog is unnecessary. README.mdFull changelog
Issue reference
KAG-3169