How we halved DNS build delay and cut memory use by 85%

原文摘要 · 中英对照

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.

区域设置更改过去会重建整个 DNS 区域，即使是拥有数千万条记录的区域。以下是我们如何构建一个规划器来选择最小的安全构建，将完整构建减少 40%，峰值内存降低 85%，并将构建延迟减半。