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  <title>Zhabrosima Tech | SRE &amp; Cloud Native Architecture</title>
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  <description>Production-grade system troubleshooting manuals, Cloud Native architecture deep-dives, and client-side developer utilities.</description>
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    <title>Conduit 01: High-Concurrency Proxy Buffering &amp; TCP Window Scaling</title>
    <link>https://zhabrosima.com/conduits.html#c01</link>
    <description>Architectural breakdown of TCP socket ring buffers, Linux netfilter sk_buff prunes, and OpenResty async streaming under extreme QPS.</description>
    <pubDate>Tue, 04 Aug 2026 00:00:00 +0000</pubDate>
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  <item>
    <title>Fixing K8s Ingress-Nginx 502 Bad Gateway under High QPS</title>
    <link>https://zhabrosima.com/guides/k8s-ingress-nginx-502.html</link>
    <description>Diagnosing and resolving HTTP 502 Bad Gateway errors in Kubernetes Ingress-Nginx during traffic spikes.</description>
    <pubDate>Mon, 03 Aug 2026 00:00:00 +0000</pubDate>
    <guid>https://zhabrosima.com/guides/k8s-ingress-nginx-502.html</guid>
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  <item>
    <title>Debugging Asyncio Event Loop Deadlocks in Python 3.11+</title>
    <link>https://zhabrosima.com/guides/python-asyncio-deadlock.html</link>
    <description>Diagnosing and fixing blocking synchronous execution and thread pool exhaustion in Python asyncio services.</description>
    <pubDate>Sun, 02 Aug 2026 00:00:00 +0000</pubDate>
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