Stories by tanelpoder

Database Schema Migrations in 2026 – Survey

Out-of-Cancel: A Vulnerability Class Rooted in Workqueue Cancellation APIs

So where are all the AI apps?

io_uring, libaio performance across Linux kernels and an unexpected IOMMU trap

PostgreSQL 19 will have pg_plan_advice contrib module (query hints)

Oracle Databases now have declarative SQL assertions

Single Packet Authentication with eBPF

Portless replaces port numbers with stable .localhost URLs for local development

PostgreSQL extension to set connection to read-only mode (for AI agents and MCP)

BigQuery Graph Series Tutorial: Build a Graph from Unstructured Data

Connecting the Dots in a JFR Recording

When Did That Hotspot Happen?

Instrumenting Claude Code: OTel Logging for Detection Engineers

My custom agent used 87% fewer tokens when I gave it Skills for its MCP tools

BigQuery Graph Series – Query and Visualize Your Graph

Pg_10046: Oracle SQL_trace inspired SQL and wait event tracing for PostgreSQL

Multi-Version Concurrency Control for Schema Changes in Azure SQL Database [pdf]

Can AI Agents Agree?

Useful queries to analyze PostgreSQL lock trees (a.k.a. lock queues)

AWS Aurora DSQL Playground

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