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Tag: Software Engineering

Cat Links Software Engineering

Go’s Garbage Collector: Tricolor Marks, Write Barriers, and the Green Tea Era

Posted on November 7, 2026November 8, 2026 teliaz

Most Go developers can recite one fact about the garbage collector: it exists, and it mostly works. That is usually

Continue readingGo’s Garbage Collector: Tricolor Marks, Write Barriers, and the Green Tea Era

Cat Links Software Engineering

Prometheus Histograms and Percentiles: Measuring Latency Without Lying

Posted on November 4, 2026 teliaz

Every latency dashboard has the same shape: a line for the average request duration and a line for p99, with

Continue readingPrometheus Histograms and Percentiles: Measuring Latency Without Lying

Cat Links Software Engineering

Snapshot Isolation and Write Skew: What Your Database Actually Promises

Posted on November 4, 2026 teliaz

Every relational database ships an isolation level selector, and most applications pick whatever the default is and move on. That

Continue readingSnapshot Isolation and Write Skew: What Your Database Actually Promises

Cat Links Software Engineering

Structured Logging That Survives Production: Schemas, Sampling, and the Cost of Every Line

Posted on October 31, 2026November 1, 2026 teliaz

Every team starts logging with good intentions and ends up with a bill. Somewhere between the first incident and the

Continue readingStructured Logging That Survives Production: Schemas, Sampling, and the Cost of Every Line

Cat Links Software Engineering

Distributed Tracing in Go with OpenTelemetry: A Setup That Actually Holds Together

Posted on October 21, 2026October 29, 2026 teliaz

For years, adding tracing to a Go service meant wrapping every handler, decorating every client, and threading context through every

Continue readingDistributed Tracing in Go with OpenTelemetry: A Setup That Actually Holds Together

Cat Links Software Engineering

GOGC, GOMEMLIMIT, and the Write Barrier: How the Go Garbage Collector Really Paces Itself

Posted on October 20, 2026 teliaz

Ask most Go developers how the garbage collector works and you’ll get one of two answers: “it’s concurrent and low-pause”

Continue readingGOGC, GOMEMLIMIT, and the Write Barrier: How the Go Garbage Collector Really Paces Itself

Cat Links Software Engineering

Your Dependency Tree Is an Attack Surface: Supply Chain Defense for npm and PyPI in 2026

Posted on October 20, 2026October 21, 2026 teliaz

Every `npm install` is an act of trust. You are executing code written by strangers, versioned by strangers, published through

Continue readingYour Dependency Tree Is an Attack Surface: Supply Chain Defense for npm and PyPI in 2026

Cat Links Software Engineering

Mutation Testing in 2026: Stop Trusting Coverage, Start Killing Mutants

Posted on October 16, 2026 teliaz

Every test suite has a hidden layer of confidence that coverage numbers never touch. A line can be executed by

Continue readingMutation Testing in 2026: Stop Trusting Coverage, Start Killing Mutants

Cat Links AI News

RAG Chunking Is Not Settled: What Token-Level Evaluations Actually Show

Posted on October 14, 2026 teliaz

Every RAG pipeline starts with the same piece of code: split documents into chunks, embed them, store them. It looks

Continue readingRAG Chunking Is Not Settled: What Token-Level Evaluations Actually Show

Cat Links Software Engineering

Prometheus Cardinality: Why Your TSDB Is Drowning and How to Stop It

Posted on October 12, 2026October 13, 2026 teliaz

Eventually the alert fires at 3 a.m.: your Prometheus is consuming more memory than the database it monitors, queries that

Continue readingPrometheus Cardinality: Why Your TSDB Is Drowning and How to Stop It

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