May 26 · 6 min read · Three eBPF patterns hyperscalers run in production today, mapped to the equivalent patterns on the GPU plane that nobody runs in production yet. TL;DR GitHub recently disclosed using eBPF in productio
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May 19 · 8 min read · Per-host overhead multiplied across N hosts, vs. one kernel-level instrumentation per host. The math at fleet scale is harder to argue with than the marketing one. TL;DR Wolfe Research disclosed this
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May 7 · 4 min read · An MCP tool call is a tiny line of agent code that fans out to syscalls, library calls, and kernel paths the agent has no view of. TL;DR Through April and early May, vendors shipped MCP servers in bat
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May 6 · 11 min read · Eight ranks on two hosts. Every per-host metric reads healthy. Rank 5 enters the barrier 290ms late. The cause lives in a cross-rank query, not in any single host’s trace. TL;DR Eight ranks on two hos
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