The End of Deserialization
Transforming data from the network into your heap is a hidden bottleneck you can no longer afford in high-throughput systems.
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Blog
Articles, guides, and thoughts on web development and technology
The Buffer Count
Execution time is a noisy and unreliable metric; discover why shared buffer hits are the only way to measure true database performance.
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How to Saturate a 10Gbps Link Without Bypassing the Kernel
An engineering guide to overcoming the 16-bit TCP receive window limit and achieving line-rate throughput on high-bandwidth, high-latency networks.
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Why Does Your Node.js 'Cluster' Still Distribute Traffic Unevenly?
A technical deep dive into why the Linux kernel's scheduling and Node’s round-robin logic often fail to balance the load, leaving single workers overwhelmed while others sit idle.
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Why Does Your App Suffer from Mystery Latency Spikes Every 30 Seconds?
An investigation into the Linux kernel’s dirty page management and how aggressive background writebacks can paralyze application I/O even when CPU usage is low.
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Promise.try Is a Necessary Primitive
Discover why this new addition to the Promise API is the cleanest way to unify synchronous and asynchronous error handling without the usual try-catch boilerplate.
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What Nobody Tells You About Path MTU Discovery: Why Your 'Healthy' Network Is Silently Dropping Large Payloads
Stop debugging your application code for random connection hangs; you are likely a victim of the ICMP black hole where large packets are discarded without a trace.
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Stop Passing Objects Over IPC: Why Memory-Mapped Files Are the Secret to Zero-Copy Node.js Clusters
Bypass the CPU-intensive serialization bottleneck of Unix sockets and JSON.parse by leveraging mmap to share live, multi-gigabyte data structures across your process cluster.
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What Nobody Tells You About JavaScript Integers: Why Crossing the 31-Bit Boundary Destroys Your Performance
Discover the hidden 'performance cliff' in the V8 engine and how accidental transitions from Small Integers (Smis) to boxed HeapNumbers can trigger a 10x slowdown in your math-heavy loops.
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The ReportingObserver Is a Production Superpower: Catching the Browser Crashes Your SDKs Miss
Your monitoring stack is blind to the internal errors the browser silences—learn how to use the ReportingObserver to capture interventions and deprecations with zero overhead.
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