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Cloudflare halves DNS build delay, cuts memory use 85%

Cloudflare publishes DNS optimization details

1 Nov 2 9:00 AM · 8d ago · 1 article · 1 source · development 1 of 2

Cloudflare published a blog post detailing how it built a planner system that rebuilds only affected DNS zones instead of entire zones when settings change, reducing full builds by 40%, peak memory by 85%, and halving build delay.

“Zone setting changes used to rebuild entire DNS zones, even ones with tens of millions of records. Here is how we built a planner that picks the smallest safe build, cutting full builds by 40%, peak memory by 85%, and halving build delay.”

Alex Fattouche

Cloudflare DNS infrastructure providerAlex Fattouche Cloudflare author

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Peak 6 pieces in two hours at Nov 2, 10 AM; 13 pieces over 9 days (2 articles · 3 posts · 8 comments) Nov 2, 8 AM — 3 pieces · 2 articles · 1 post — Newswires 2, Hacker News 1Nov 2, 10 AM — 6 pieces · 1 post · 5 comments — Hacker News 5, Mastodon 1Nov 2, 12 PM — 2 pieces · 2 comments — Hacker News 2Nov 2, 2 PM — 1 piece · 1 comment — Hacker News 1Nov 2, 4 PM — quietNov 2, 6 PM — quietNov 2, 8 PM — quietNov 2, 10 PM — quietNov 3, 12 AM — quietNov 3, 2 AM — quietNov 3, 4 AM — quietNov 3, 6 AM — quietNov 3, 8 AM — quietNov 3, 10 AM — quietNov 3, 12 PM — quietNov 3, 2 PM — quietNov 3, 4 PM — quietNov 3, 6 PM — quietNov 3, 8 PM — quietNov 3, 10 PM — quietNov 4, 12 AM — quietNov 4, 2 AM — quietNov 4, 4 AM — quietNov 4, 6 AM — quietNov 4, 8 AM — quietNov 4, 10 AM — quietNov 4, 12 PM — quietNov 4, 2 PM — 1 piece · 1 post — Reddit 1Nov 4, 4 PM — quietNov 4, 6 PM — quietNov 4, 8 PM — quietNov 4, 10 PM — quietNov 5, 12 AM — quietNov 5, 2 AM — quietNov 5, 4 AM — quietNov 5, 6 AM — quietNov 5, 8 AM — quietNov 5, 10 AM — quietNov 5, 12 PM — quietNov 5, 2 PM — quietNov 5, 4 PM — quietNov 5, 6 PM — quietNov 5, 8 PM — quietNov 5, 10 PM — quietNov 6, 12 AM — quietNov 6, 2 AM — quietNov 6, 4 AM — quietNov 6, 6 AM — quietNov 6, 8 AM — quietNov 6, 10 AM — quietNov 6, 12 PM — quietNov 6, 2 PM — quietNov 6, 4 PM — quietNov 6, 6 PM — quietNov 6, 8 PM — quietNov 6, 10 PM — quietNov 7, 12 AM — quietNov 7, 2 AM — quietNov 7, 4 AM — quietNov 7, 6 AM — quietNov 7, 8 AM — quietNov 7, 10 AM — quietNov 7, 12 PM — quietNov 7, 2 PM — quietNov 7, 4 PM — quietNov 7, 6 PM — quietNov 7, 8 PM — quietNov 7, 10 PM — quietNov 8, 12 AM — quietNov 8, 2 AM — quietNov 8, 4 AM — quietNov 8, 6 AM — quietNov 8, 8 AM — quietNov 8, 10 AM — quietNov 8, 12 PM — quietNov 8, 2 PM — quietNov 8, 4 PM — quietNov 8, 6 PM — quietNov 8, 8 PM — quietNov 8, 10 PM — quietNov 9, 12 AM — quietNov 9, 2 AM — quietNov 9, 4 AM — quietNov 9, 6 AM — quietNov 9, 8 AM — quietNov 9, 10 AM — quietNov 9, 12 PM — quietNov 9, 2 PM — quietNov 9, 4 PM — quietNov 9, 6 PM — quietNov 9, 8 PM — quietNov 9, 10 PM — quietYesterday, 12 AM — quietYesterday, 2 AM — quietYesterday, 4 AM — quietYesterday, 6 AM — quietYesterday, 8 AM — quietYesterday, 10 AM — quietYesterday, 12 PM — quietYesterday, 2 PM — quietYesterday, 4 PM — quietYesterday, 6 PM — quietYesterday, 8 PM — quietYesterday, 10 PM — quietToday, 12 AM — quietToday, 2 AM — quietToday, 4 AM — quiet 1–2
1–2Cloudflare publishes DNS optimization…
Nov 3Nov 4Nov 5Nov 6Nov 7Nov 8Nov 9now · 5:44 AM ET

What was reported 2 claims about this development

  1. 1 outlet We halved DNS build delay and cut memory use by 85%

    first by HN Frontpage, 8d ago

  2. 1 outlet How we halved DNS build delay and cut memory use by 85%

    first by Cloudflare Blog, 8d ago

All 2 developments of Cloudflare halves DNS build delay, cuts memory use 85% →

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