Change Freeze on SRE Engineering Practicehttps://www.sre.wang/en/tags/change-freeze/Recent content in Change Freeze on SRE Engineering PracticeSRE Engineering Practicehttps://www.sre.wang/share-card-square.jpghttps://www.sre.wang/share-card-square.jpgHugo -- gohugo.ioenSat, 12 Sep 2026 10:29:05 +080014-Day Change Freeze Still Blew Up P0: 5 Engineering Decisions from Manual Freeze to Dynamic Change Windowshttps://www.sre.wang/en/posts/sre-change-freeze-dynamic-window/Sat, 12 Sep 2026 10:29:05 +0800https://www.sre.wang/en/posts/sre-change-freeze-dynamic-window/Change freeze (code freeze) is no silver bullet. Starting from a real case where a 14-day freeze before Double 11 still resulted in a P0, this article breaks down 5 fatal flaws of manual freeze and provides 5 engineering decisions for moving to error-budget-driven dynamic change windows, with production-grade config examples and lessons learned.