concurrency-control

Map-like, concurrent promise processing

ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.

Gorilla websockets based simplified websocket-client implementation in GO.

Spring Data JPA, Spring Data JDBC, and Spring Data R2DBC examples and a comprehensive guide to JPA fetching and locking strategies.

Software architecture design guidelines for apps running under eventual consistency. Works with domain driven design. Approved by practitioners.

fetch-network-simulator

Optimistic concurrency (OCC) plugin for mongoose.

Standalone, deterministic MVCC engine for building transactional key-value databases in Rust — timestamp-ordered versions, two-phase intent transactions, guarded writes, and incremental GC. The open-source core of the Nexir database.

[ICSE 2022] Controlled Concurrency Testing via Periodical Scheduling

A Go library providing context-aware semaphores where concurrency limits are applied per unique arbitrary key, enabling fine-grained resource locking.

通用型任务队列, 带并发控制和故障恢复

Tabular: Efficiently Building Efficient Indexes (VLDB 2025)

秒杀系统设计思路与实现

Concurrent Executor for efficient tasks execution with controlled concurrency and optimized resource utilization.

🪗 Dynamic concurrency limits for controlling backpressure, inspired by TCP congestion control

Tiga: Accelerating Geo-Distributed Transactions with Synchronized Clocks

A quick and comprehensive one-shot revision of Database Management Systems (DBMS), perfect for last-minute prep!

In this repo I would like to show 4 strategies of concurrency control for writing data using Python SQLAlchemy ORM and PostgresSQL (however this examples could be easily transformed to plain SQL).

Coordination for concurrent autonomous AI agents over shared mutable state: advisory write leases + a witnessed audit trail, over MCP. First proving ground: AI coding agents sharing a repo. Servant, not ruler.