Gemini CLI: Custom slash commands

CatVector Heatmap Visualizer

Real-world gen AI use cases with technical blueprints

NVIDIA outlines plans for using light for communication between AI GPUs

DNS Caching issue in Java

Linux profiling with perf and performance counters – useful links

Pyro – Python Remote Objects

PostgreSQL Happiness Hints (2022)

Kernel Stack Watch Proposed as New Linux Debugging Tool

MySQL / MariaDB: Waiting for query cache lock (2022)

MySQL JSON Relational Duality Views

Doom-ASCII: Doom in the Terminal

Code formatting comes to uv experimentally

The two versions of Parquet

Curator: Scalable data pre processing and curation toolkit for LLMs

Oracle leapfrogs petabyte barrier with release 8 (1997)

Reaching 100M key lookups per second with REST API and Python clients

Ethdev: Add Link Speed 800G

Pepc – Power, Energy, and Performance Configurator

How to share pointers between different address spaces

One GPU translates into three to five of the fastest Ethernet switch ports

A highly performant cache for very small data

SRoCE: Software RDMA over Commodity Ethernet [pdf]

Show HN: xstack – Passive eBPF Linux stack profiling without tracepoints

Show HN: xtop – Top for Wall-Clock Time built with modern eBPF

Taming the Bias: Unbiased* Safepoint-Based Stack Walking in JFR

Why does /etc/resolv.conf point at 127.0.0.53?

AI Is Like Outsourcing

Spanner's Columnar Engine Unites OLTP and OLAP

Not So Direct I/O

Bash Gotchas [[ ]] vs. [ ]

Parallelizing Linux Writeback

Spatial Joins in DuckDB

A proxy-execution baby step

Checkpointing CUDA Applications with CRIU (2024)

Bouncing on trampolines to run eBPF programs

When to hire a computer performance engineering team

Stack traces for Postgres errors with backtrace_functions

SFrame Stack Trace Format

Diagnose and mitigate PostgreSQL lock manager contention

Off-CPU Profiling

Containerlab: Container-based networking labs with custom topologies

Devfiler: Universal Profiling as a Desktop App

Self-Driving Postgres

The Pg_meminfo Postgres Extension

Nvidia Bringing CUDA to RISC-V

Java Async Profiler manual by use cases (2022)

AsyncProfiler 4.1 with OpenTelemetry profiling signal support

Dynamic Speculative End of File Preallocation in XFS

SnapBPF: Exploiting eBPF for Serverless Snapshot Prefetching [pdf]

Outer Joining with ANSI SQL-89 and SQL-92

Accessing new kernel features from Python

eBPF: Connecting with Container Runtimes

Fast, reliable configuration distribution to workload containers at scale

A Survey and Evaluation of Database Management System Extensibility [pdf]

DuckLake v0.2

Comet 3I/Atlas

Traceroute Lies. A Typical Misinterpretation of Output (2017)

Digging into Intel Flat Memory Mode for CXL Memory

Copper is Faster than Fiber (2017) [pdf]

Application-Oblivious Diagnosis with Strace

DuckDB 1.4 will support producing Polars Lazy Dataframes

Arrow-Powered Log Parser

SQL Plan Execution FlameGraphs with Loop and Row Counts

Zed Debugger

The SRE Report 2025 Survey by Catchpoint

A collection of sample agents built with Agent Development (ADK)

Builder.ai did not "fake AI with 700 engineers"

SnakeViz: An in-browser Python profile viewer

AWS open sourcing pgactive: active-active replication extension for PostgreSQL

Some CUDA code examples with READMEs

An Arrow Flight SQL Server with DuckDB or SQLite back-end execution engines

Visualizing Database Query Optimizer Plan and Cost Search Space (2005) [pdf]

Exploring Postgres SQL plan execution "expected" vs. "actual" metrics visually