Add import rate and timestamp ordering guidance to migrations docs - #19788
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darkopia wants to merge 2 commits into
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Add import rate and timestamp ordering guidance to migrations docs#19788darkopia wants to merge 2 commits into
darkopia wants to merge 2 commits into
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Adds two best practices to the historical migrations overview: keep DIY import throughput below a few thousand events per second, and batch events by time range (roughly one day) and import oldest first. Generated-By: PostHog Desktop Task-Id: 01a3e0db-9f18-40a1-b97c-cd050581624f
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Vale prose linter → found 0 errors, 1 warnings, 0 suggestions in your markdown Full report → Copy the linter results into an LLM to batch-fix issues. Linter being weird? Update the rules!
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| Line | Severity | Message | Rule |
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| 55:9 | warning | 'resumability' is a possible misspelling. | PostHogBase.Spelling |
Generated-By: PostHog Desktop Task-Id: 01a3e0db-9f18-40a1-b97c-cd050581624f
darkopia
marked this pull request as ready for review
August 28, 2026 01:05
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Bundle reportTotal JS (gzip)8.15 MiB (no change) Eager graph (modules shipped in each entrypoint's initial chunks)
Largest modules in the
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| Module | Size |
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./src/data/mcp-tools.json |
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754.4 KiB |
./src/components/Stickers/Stickers.tsx |
696.4 KiB |
./node_modules/.pnpm/@radix-ui+react-icons@1.3.2_react@18.3.1/node_modules/@radix-ui/react-icons/dist/react-icons.esm.js |
481.4 KiB |
./node_modules/.pnpm/rehype-raw@7.0.0/node_modules/rehype-raw/lib/index.js + 29 modules |
395.1 KiB |
./src/hooks/useCustomers.tsx + 55 modules |
370.0 KiB |
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354.8 KiB |
./node_modules/.pnpm/react-markdown@8.0.7_@types+react@16.14.66_react@18.3.1/node_modules/react-markdown/lib/react-markdown.js + 88 modules |
351.4 KiB |
./src/components/ProductComparisonTable/index.tsx + 126 modules |
301.7 KiB |
./node_modules/.pnpm/cloudinary-core@2.14.0_lodash@4.17.21/node_modules/cloudinary-core/cloudinary-core.js |
281.9 KiB |
./src/components/SearchUI/index.tsx + 87 modules |
273.0 KiB |
./node_modules/.pnpm/@posthog+brand@0.8.0_react@18.3.1/node_modules/@posthog/brand/dist/generated/hoggies/svg/magnifying-glass.mjs |
254.7 KiB |
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253.9 KiB |
./node_modules/.pnpm/d3@7.9.0/node_modules/d3/src/index.js + 208 modules |
247.4 KiB |
./src/components/Pricing/PricingSlider/Slider.tsx + 87 modules |
240.1 KiB |
Eager-graph budgets are report-only until a baseline is established. Sizes are gzip of public/**/*.js; eager size is webpack module source bytes for the modules actually shipped in the entrypoint's initial chunks (post-tree-shake).
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Changes
The historical migrations overview did not say how fast you can import, or in what order. Customers who write their own import scripts have no guidance, and unthrottled backfills with scrambled timestamps destabilize ingestion.
This adds two subsections to Best practices for migrations:
Content-only change to
contents/docs/migrate/index.mdx. No navigation, component, or visual changes, so no screenshots and no redirect needed.Checklist
vercel.json(n/a — no pages moved)Created with PostHog from a Slack thread