Understanding Java's AbstractQueuedSynchronizer: Locks, Queues, and State Management

This article explains Java's AbstractQueuedSynchronizer (AQS) framework, covering its FIFO queue mechanism, lock acquisition and release processes for exclusive and shared modes, state handling, and the abstract methods developers must implement to build custom synchronizers.

AQSSynchronizationconcurrency

0 likes · 12 min read

Understanding Java's AbstractQueuedSynchronizer: Locks, Queues, and State Management

Architect's Tech Stack

Mar 13, 2019 · Backend Development

Implementing Distributed Locks with Zookeeper: Exclusive and Read‑Write Locks

This article explains how Zookeeper can be used to build distributed locks, detailing the implementation of exclusive locks and two variants of read‑write locks, complete with step‑by‑step processes, node structures, watcher mechanisms, and practical considerations for backend systems.

BackendZooKeeperconcurrency

0 likes · 9 min read

Implementing Distributed Locks with Zookeeper: Exclusive and Read‑Write Locks

Architecture Talk

Sep 27, 2018 · Databases

Understanding MySQL Shared vs Exclusive Locks: A Hands‑On Demo

This article explains MySQL shared (S) and exclusive (X) row‑level locks, demonstrates their behavior with two concurrent sessions, shows how lock ordering can cause deadlocks, and provides practical tips for using InnoDB locking correctly.

InnoDBdeadlockexclusive lock

0 likes · 8 min read

Understanding MySQL Shared vs Exclusive Locks: A Hands‑On Demo