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runtime: etcd put 5% throughput regression #73932

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runtime: etcd put 5% throughput regression#73932
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mknyszek
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BugReportIssues describing a possible bug in the Go implementation.NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Performancecompiler/runtimeIssues related to the Go compiler and/or runtime.okay-after-rc1Used by release team to mark a release-blocker issue as okay to resolve either before or after rc1release-blocker
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Go1.25
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@mknyszek
mknyszek
opened on May 30, 2025

https://perf.golang.org/dashboard/?benchmark=EtcdPut-88&unit=sec%2Fop&repository=go&branch=master&platform=linux%2Famd64&days=30&end=2025-05-30T02%3A07

The regression happened around commits 4d0f955 and 4e63ae4, though the former seems more of a culprit than the latter. (It's kind of hard to tell though.)

We should at least investigate and understand what's going on here.

CC @rhysh @randall77 @prattmic

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BugReportIssues describing a possible bug in the Go implementation.NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Performancecompiler/runtimeIssues related to the Go compiler and/or runtime.okay-after-rc1Used by release team to mark a release-blocker issue as okay to resolve either before or after rc1release-blocker

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