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.

MIT 6.5840: Distributed Systems. Major topics include fault tolerance, replication, and consistency. Much of the class consists of studying and discussing case studies of distributed systems

🪗 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).