Perf improvements#727

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mcollina wants to merge 21 commits into

prometheus:mainfrom

mcollina:perf-improvements

Commits on Sep 28, 2025

docs: add CLAUDE.md for Claude Code guidance

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feat: migrate test suite from Jest to Node.js built-in test runner

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claude
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Commits on Oct 6, 2025

fix: resolve test failures after Jest to node:test migration

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feat: vendor tdigest and bintrees dependencies

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perf: optimize tdigest by replacing forEach/map with for loops

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Commits on Oct 13, 2025

Commits on Oct 14, 2025

Commits on Nov 6, 2025

perf: eliminate duplicate sorting in metric creation

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claude
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Commits on Nov 7, 2025

fix: skip Linux-only test on non-Linux platforms

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claude
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Commits on Nov 9, 2025

perf: optimize histogram and string escaping for better metrics serialization

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claude
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Commits on Nov 17, 2025

Commits on Nov 19, 2025

Merge branch 'main' into perf-improvements
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