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Jul 1, 2026

Our service discovery caught its own failure and switched itself off

A three-replica cluster kept disagreeing with itself. The cause was in our own code: the peer-discovery routine had a catch block that disabled discovery when multicast failed, and on managed Kubernetes multicast always fails. Here's why we deleted gossip entirely and elected a leader with a blob lease instead, and why the membership you can open in Storage Explorer beats the membership you have to infer.

Jul 1, 20264 min read1 reactions0 comments
B
Jun 6, 2026

BigQuery ๋น„์šฉ ์ตœ์ ํ™” 12๊ฐ€์ง€ โ€” ๋งˆ์ผ€ํŒ… ๋ฐ์ดํ„ฐ ์šด์˜์ž๊ฐ€ ๋งค๋‹ฌ ํ™•์ธํ•  ๊ฒƒ

BigQuery ์ฒญ๊ตฌ์„œ๊ฐ€ ๋งค๋‹ฌ ๋‘ ๋ฐฐ ๋˜์ง€ ์•Š๊ฒŒ ๋ง‰๋Š” 12๊ฐ€์ง€. ํŒŒํ‹ฐ์…˜ยทํด๋Ÿฌ์Šคํ„ฐ๋ง ์„ค๊ณ„๋ถ€ํ„ฐ SELECT ๊ธˆ์ง€, on-demand vs slot ๊ฒฐ์ •, INFORMATION_SCHEMA ๋น„์šฉ ๋ชจ๋‹ˆํ„ฐ๋ง, GA4 raw ์ด๋ฒคํŠธ cost-aware ํŒจํ„ด๊นŒ์ง€ ์šด์˜์ž ์ฒดํฌ๋ฆฌ์ŠคํŠธ๋กœ ์ •๋ฆฌํ•ฉ๋‹ˆ๋‹ค.

Jun 6, 20262 min read0 reactions0 comments