FoundationDB - the open source, distributed, transactional key-value store

Join Order Benchmark (JOB)

Scripts to reproduce the taxi-benchmark

Portable file system cache diagnostics and control

American Flag sort for Strings in Rust.

Pattern-defeating quicksort.

Unstable O(n log n) sorting algorithm with O(n) memory

Cache oblivious sorting algorithms in Java

Multikey Quicksort

A branchless unstable quicksort / mergesort that is highly adaptive.

Test and benchmark suite for sort implementations.

C++ implementations of Powersort and 4-way Powersort

Implements the Karnin-Lang-Liberty (KLL) algorithm in python

KLL sketch: Almost Optimal Streaming Quantiles

Import public NYC taxi and for-hire vehicle (Uber, Lyft) trip data into a PostgreSQL or ClickHouse database

ClickBench: a Benchmark For Analytical Databases

A CLI tool for analyzing Claude Code/Codex CLI usage from local JSONL files.

Code and data for "Global Hash Tables Strike Back! An Analysis of Parallel GROUP BY Aggregation.

📈 A small, fast chart for time series, lines, areas, ohlc & bars

Production-grade client-side tracing, profiling, and analysis for complex software systems.

Distributed stream processing engine in Rust

Tonbo is an embedded database for serverless and edge runtimes.

Support atomic operations on Arc itself

A simple, fast and user-friendly alternative to 'find'

SIGMOD Contest 2025 Winning Solution

A fusion of SQL and awk: Applying SQL to text-based data files

✨ Magical shell history