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    <title>Max-Fails on homelab89</title>
    <link>https://blog.homelab89.com/tags/max-fails/</link>
    <description>Recent content in Max-Fails on homelab89</description>
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    <lastBuildDate>Tue, 07 Jul 2026 00:00:00 +0900</lastBuildDate>
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      <title>nginx &#34;no live upstreams&#34; — GSLB 환경 간헐 502의 원인 확정: max_fails 전멸</title>
      <link>https://blog.homelab89.com/docs/networking/nginx-resolve-no-live-upstreams/</link>
      <pubDate>Tue, 07 Jul 2026 00:00:00 +0900</pubDate>
      <guid>https://blog.homelab89.com/docs/networking/nginx-resolve-no-live-upstreams/</guid>
      <description>&lt;h2 id=&#34;요약&#34;&gt;요약&lt;/h2&gt;
&lt;p&gt;&lt;strong&gt;현상&lt;/strong&gt;: nginx가 &lt;code&gt;server &amp;lt;도메인&amp;gt; resolve&lt;/code&gt;로 GSLB 도메인을 프록시하는 환경에서,
GSLB가 반환하는 A 레코드 IP가 바뀌는 시점 부근에 &lt;strong&gt;간헐적으로 소수 요청&lt;/strong&gt;이 502
&lt;code&gt;no live upstreams&lt;/code&gt;(이하 NLU)로 실패. error.log에는 NLU 한 줄뿐, 직전 에러 없음.&lt;/p&gt;</description>
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