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    <title>Posts on gwself&#39;s blog</title>
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    <description>Recent content in Posts on gwself&#39;s blog</description>
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      <title>给 openobserve 提的三个 PR:都是边界条件惹的祸</title>
      <link>https://blog.yunitytech.top/post/openobserve-three-prs/</link>
      <pubDate>Tue, 06 Oct 2026 21:30:00 +0800</pubDate>
      <guid>https://blog.yunitytech.top/post/openobserve-three-prs/</guid>
      <description>使用 openobserve 时先后遇到 Grafana 直方图不渲染、_around 接口 size=1 返回 2000 行、quantile 遇 +Inf 返回 NaN 三个问题,读 Rust 源码定位后各提交一个 PR,记录完整过程与心得。</description>
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      <title>排查 goroutine 泄漏与集群转发失效:给 glogcenter 提的两个 PR</title>
      <link>https://blog.yunitytech.top/post/glogcenter-two-prs/</link>
      <pubDate>Tue, 06 Oct 2026 21:00:00 +0800</pubDate>
      <guid>https://blog.yunitytech.top/post/glogcenter-two-prs/</guid>
      <description>使用 glogcenter 时先后遇到内存持续增长与集群模式用户管理失效两个问题,读源码定位根因后提交了两个 PR(#92、#93),均已合并。记录排查过程与心得。</description>
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      <title>当 jOOQ 遇上 PostGIS:jooq-postgis 诞生记</title>
      <link>https://blog.yunitytech.top/post/jooq-postgis-intro/</link>
      <pubDate>Tue, 06 Oct 2026 20:30:00 +0800</pubDate>
      <guid>https://blog.yunitytech.top/post/jooq-postgis-intro/</guid>
      <description>工作中需要在 jOOQ 里映射 PostGIS 地理位置字段,于是写了 jooq-postgis:纯 JTS、零 GeoTools 的类型安全空间绑定。记录问题、方案与用法。</description>
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    <item>
      <title>small-rpc 2.0:基于 Netty + Hessian 的轻量级 RPC 框架</title>
      <link>https://blog.yunitytech.top/post/small-rpc-intro/</link>
      <pubDate>Tue, 06 Oct 2026 20:00:00 +0800</pubDate>
      <guid>https://blog.yunitytech.top/post/small-rpc-intro/</guid>
      <description>介绍我写的轻量级 Java RPC 框架 small-rpc:微内核架构、自研 SPI、注册中心订阅推送与缓存降级,以及快速上手示例。</description>
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      <title>你好,我是高云峰(gwself)</title>
      <link>https://blog.yunitytech.top/post/title_of_the_post/</link>
      <pubDate>Tue, 06 Oct 2026 12:00:00 +0800</pubDate>
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      <description>个人介绍:Java 后端工程师,关注 small-rpc、jooq-postgis,也学 Go / Python / Rust,乐于提开源 PR。</description>
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