awk | tags | Lisandro Fernández Rocha

awk

KMQ: WAL retention-by-consumption, a timecode bus and a tape feedSelf-rotation inside the single writer. A cut that always fires and a reclaim gated on consumption. The same retention serves an SMPTE timecode bus and a verifiable tape-archive feed.

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From push-and-pray to complete feedback loop: dual sidecar ACK and TLSHow a second ACK sidecar closes the consumer-processing gap and how dual-stack TLS secures every broker endpoint without touching the hot path.

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Closing the delivery gap: an out-of-band acknowledgment sidecar and retry loopHow a tiny AWK sidecar turns the append log into a pull-based durability contract. A retry loop proves zero-loss delivery across pod restarts.

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KMQ: four scenarios, four passes and the block policy that closes the gapA Pub/Sub-shaped pipeline assembled from FIFOs, gawk and Kubernetes primitives. Four scenarios. Four passes. A ring-buffer policy that makes the difference.

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A message broker from FIFOs and awk: four scenarios, two passes, two failuresA Pub/Sub-shaped pipeline assembled from FIFOs, gawk and Kubernetes primitives. Four scenarios. Two clean passes. Two failures with measured boundaries.

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Detecting Checkpoint Anomalies via Frequency MaskingA frequency mask built from a corpus of known-good checkpoints measures how much of that invariant structure a new checkpoint still covers. No model loading. No framework. 1.7 seconds on a 27MB file.

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Detecting anomalous binaries by measuring drift from their own version historyA lightweight method for detecting anomalous binaries without signatures or reproducible builds.

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Me gustan las listasDe n-gramas, smog y el embrujo de la baraja: cómo limpiar un corpus de texto sin saber lo que contiene.

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