Stories by tanelpoder

What Are Skiplists Good For?

SQL That Reads Between the Lines

Agentic Reasoning in Practice: Making Sense of Structured and Unstructured Data

kpod-metrics: eBPF-based pod-level kernel metrics collector for Kubernetes

Stability Sim

Reduced timing overhead for EXPLAIN ANALYZE with RDTSC in Postgres 19

The AI divide putting open weights models in spotlight

What, exactly, is the GIL?

An extension for DuckDB, which captures lineage events for executed queries

Checkpoints, Write Storms, and You

Zero Autovacuum_cost_delay, Write Storms, and You

Your Harness, Your Memory

Keeping a Postgres Queue Healthy

Fast CASPaxos

WAL as a Data Distribution Layer

eBPF-based PostgreSQL wait event tracer using hardware watchpoints

Not all index scans are equal: How we cut query latency by over 99%

Design and Implementation of DuckDB Internals Course

PCI Express over Fiber and a PCIe analyzer [video]

How uv Solves Dependencies So Fast

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