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perf(lw-deletions): Sample too_many_ongoing_mutations metric at 1%#7761

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worktree-imp/mutations-metric-sampling
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perf(lw-deletions): Sample too_many_ongoing_mutations metric at 1%#7761
onewland wants to merge 1 commit intomasterfrom
worktree-imp/mutations-metric-sampling

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The too_many_ongoing_mutations metric is emitted very frequently during backpressure periods. Add a 1% sample rate via DOGSTATSD_SAMPLING_RATES to reduce Datadog ingest volume while still providing sufficient signal for monitoring and alerting.

This metric is emitted very frequently during backpressure and does
not need full fidelity. Sample at 1% to reduce Datadog ingest volume.

Co-Authored-By: Claude <noreply@anthropic.com>
@onewland onewland marked this pull request as ready for review February 24, 2026 01:12
@onewland onewland requested a review from a team as a code owner February 24, 2026 01:12
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