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    <title>K3s Embedded Etcd on Tmpfs</title>
    <link>https://exfly.github.io/k3s-embedded-etcd-on-tmpfs/</link>
    <pubDate>Tue, 05 Aug 2025 14:39:22 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/k3s-embedded-etcd-on-tmpfs/</guid>
    <description><![CDATA[<p>文章简介：为了提高 etcd 在延迟非常高的磁盘上的稳定性，提出了两种解决方法</p>]]></description>
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    <title>Go1 兼容问题</title>
    <link>https://exfly.github.io/go1-compatibility-issues/</link>
    <pubDate>Sun, 27 Jul 2025 14:52:51 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/go1-compatibility-issues/</guid>
    <description><![CDATA[<p>文章简介：使用 golang 过程中遇到的兼容问题</p>]]></description>
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    <title>K3s 百年证书</title>
    <link>https://exfly.github.io/k3s-100year-ca-certs/</link>
    <pubDate>Sun, 27 Jul 2025 13:52:51 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/k3s-100year-ca-certs/</guid>
    <description><![CDATA[<p>文章简介：K3s 自带的 CA 有效期 10 年，其签发的 mTLS 证书只有 1 年，远不能满足“一次部署、长期免运维”的生产诉求。本文给出零侵入式方案，让 K3s 一次性使用 100 年有效期的 CA 与终端实体证书，真正做到“证书一生只装一次”。</p>]]></description>
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    <title>Raid 卡 Consistency Check 导致 io 延迟变高</title>
    <link>https://exfly.github.io/raid-cc-causes-disk-io-lantency-increase/</link>
    <pubDate>Sun, 20 Jul 2025 13:33:45 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/raid-cc-causes-disk-io-lantency-increase/</guid>
    <description><![CDATA[<p>文章简介：每周六 11:00 定时出现的 IO 延迟，最终定位到 Raid 卡的后台一致性检查（CC &amp; PR）。关闭后延迟消失，复盘记录在此。</p>]]></description>
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<item>
    <title>Netstat Migrate to Ss Nstat</title>
    <link>https://exfly.github.io/netstat-migrate-to-ss-nstat/</link>
    <pubDate>Thu, 10 Apr 2025 16:07:38 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/netstat-migrate-to-ss-nstat/</guid>
    <description><![CDATA[<p>文章简介：<code>netstat -s</code> 已经废弃，一些机器已经不内置，但 <code>ss</code> 和 <code>nstat</code> 是内置的。本文通过代码描述他俩之间迁移的方法。</p>]]></description>
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    <title>Gitea Earthly 构建时间从 1m30s 优化到 11s</title>
    <link>https://exfly.github.io/gitea-earthly-speedup-from-1m30s-to-11s/</link>
    <pubDate>Sun, 06 Apr 2025 13:50:27 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/gitea-earthly-speedup-from-1m30s-to-11s/</guid>
    <description><![CDATA[<p>文章简介：Gitea Earthly 构建时间从 1m30s 优化到 11s</p>]]></description>
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    <title>通过实验，探索 BDP、tcp buffer、RT 三者之间的关系</title>
    <link>https://exfly.github.io/the-relationship-between-bdp-buffer-rt/</link>
    <pubDate>Sun, 23 Feb 2025 01:50:43 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/the-relationship-between-bdp-buffer-rt/</guid>
    <description><![CDATA[<p>文章简介：通过实验，探索 BDP、tcp buffer、RT 三者之间的关系；探讨如何控制吞吐；实验 curl 限速是如何工作的；</p>]]></description>
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    <title>connect kafka failed with cannot assign requested address</title>
    <link>https://exfly.github.io/connect-kafka-failed-with-cannot-assign-requested-address/</link>
    <pubDate>Fri, 07 Feb 2025 12:28:45 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/connect-kafka-failed-with-cannot-assign-requested-address/</guid>
    <description><![CDATA[<p>文章简介：一次业务逻辑问题导致的 kafka 连接泄露问题排查</p>]]></description>
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    <title>程序因为 tcp window full hang 住的一次排查过程</title>
    <link>https://exfly.github.io/why-golang-prog-hang-tcp-window-full/</link>
    <pubDate>Sun, 29 Dec 2024 01:12:25 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/why-golang-prog-hang-tcp-window-full/</guid>
    <description><![CDATA[<p>文章简介：程序因为 tcp window full hang 住的一次排查过程</p>]]></description>
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    <title>rustc 编译的程序直接执行报错 `zsh: killed     ./main`</title>
    <link>https://exfly.github.io/rustc-compiled-bin-killed-on-mac-m1/</link>
    <pubDate>Sat, 14 Dec 2024 00:59:45 &#43;0000</pubDate>
    <author>exfly</author>
    <guid>https://exfly.github.io/rustc-compiled-bin-killed-on-mac-m1/</guid>
    <description><![CDATA[<p>文章简介：Mac m1 机器上安装的 rust 编译运行程序遇到问题 <code>zsh: killed     ./main</code>，问题解决</p>]]></description>
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