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English(EN) Cloudflare frees up 100TB of RAM by shrinking 1.1.1.1's DNS cache entries — 250 billion cached DNS entries at any given time means one wasted byte costs 250GB

Cloudflare 通过缩减 DNS 缓存条目收回 100TB RAM

Cloudflare 通过优化其 1.1.1.1 服务的 DNS 缓存条目,显著降低了其 RAM 使用量。通过在 Rust 中实现的五个关键更改,该公司将每个缓存 DNS 条目的内存占用从 953 字节减少到 420 字节。这项优化已在其全球基础设施中释放了约 100TB 的 RAM,相当于其 130 台 Gen 13 服务器的 DDR5 内存总量。回收的内存将重新投资于扩展 DNS 缓存,以提高命中率并减少上游查询流量。 AI

影响 DNS 解析基础设施的效率略有提升;对 AI 模型性能或开发没有直接影响。

排序理由 这是对现有产品的技术优化,并非新发布或重大的行业变革。

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Cloudflare 通过缩减 DNS 缓存条目收回 100TB RAM

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Tool
这是对现有产品的技术优化,并非新发布或重大的行业变革。
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报道来源 [1]

  1. Tom's Hardware TIER_1 English(EN) · Luke James ·

    Cloudflare 通过缩小 1.1.1.1 的 DNS 缓存条目释放了 100TB RAM — 任何时候 2500 亿条缓存 DNS 条目意味着浪费一个字节将消耗 250GB

    Cloudflare says that it has freed up roughly 100TB of RAM across its global fleet without reconfiguring any physical RAM modules in its servers.