fix(node): standardize flush interval default#4164
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posthog-node Compliance ReportDate: 2026-07-16 18:46:11 UTC ✅ All Tests Passed!111/111 tests passed Capture_V1 Tests✅ 94/94 tests passed View Details
Feature_Flags Tests✅ 17/17 tests passed View Details
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Size Change: +116 B (0%) Total Size: 17.5 MB
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turnipdabeets
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Problem
The Node.js SDK flushes queued events every 10 seconds by default, while the standardized server-side SDK interval is 5 seconds. This delays delivery for low-volume Node.js processes that do not reach the event-count threshold.
See the server-side SDK event buffer defaults comparison. Related standardization changes: Java server SDK, .NET SDK, and PHP SDK.
Changes
posthog-nodedefaultflushIntervalto 5,000 milliseconds.Release info Sub-libraries affected
Libraries affected
Checklist
If releasing new changes
pnpm changesetto generate a changeset fileTesting
pnpm turbo --filter=posthog-node... buildpnpm --filter posthog-node exec jest --runInBand(810 passed)pnpm --filter posthog-node exec jest --env @edge-runtime/jest-environment --no-coverage --runInBand(810 passed)pnpm --filter posthog-node lintpnpm --filter posthog-node generate-references🤖 Agent context
Autonomy: Human-driven (agent-assisted)
Implemented with the Pi coding agent as part of a human-directed server-side SDK default standardization. The Node package now overrides only the flush interval; the shared core behavior used by client-side SDKs is unchanged.