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An in‑depth look at BitalosDB, the home‑grown NoSQL storage engine behind Zuoyebang’s massive KV traffic, covering its novel IO architecture, KV‑separation design, Raft‑based consistency, multi‑cloud CRDT replication, and benchmark results that show up to 400% cost savings versus standard Redis.
The Berserker big‑data platform provides a one‑stop data development and governance solution built on over 40 micro‑services, featuring the Archer scheduler with CN and EN nodes, Raft‑based state management, Docker‑isolated task execution, smart routing, and plans to make EN stateless, migrate to Kubernetes, and unify batch and streaming services.
TiDB is an open‑source, MySQL‑compatible distributed database that unifies OLTP and OLAP by using a stateless SQL layer, a Placement Driver for metadata and Raft‑managed TiKV/TiFlash storage, key‑value mapping with RocksDB, and a push‑down execution engine that splits work between coprocessor and root tasks for scalable, highly available workloads.
This article walks through a simulated MySQL 3307 cluster failure, examines Orchestrator's source code to explain the ContinuousDiscovery loop, discovery queues, health ticks, caretaking tasks, raft coordination, topology snapshots, and the logic distinguishing UnreachableMaster from DeadMaster states.
The TDengine Developer Conference in Beijing unveiled the open‑source, cloud‑native TDengine 3.0, detailing its revolutionary architecture that tackles high‑cardinality challenges, introduces RAFT‑based distribution, and showcases real‑world IoT and IT‑operations case studies where enterprises dramatically improved performance and reduced costs.
This article provides a detailed introduction to etcd, covering its purpose as a highly‑available distributed key‑value store, core Raft‑based architecture, key concepts, common application scenarios, step‑by‑step installation and cluster deployment, as well as essential command‑line operations for managing data, backups, and cluster members.
The article explains the principles, requirements, and common implementations of distributed lock services using Redis and ZooKeeper, analyzes their drawbacks, and introduces SharkLock's design choices—including lock metadata, reliability via SharkStore, dead‑lock prevention, safety mechanisms, and Raft‑based consistency—to guide developers in building robust distributed locking solutions.
This article provides a detailed introduction to etcd, covering its purpose as a highly available distributed key‑value store, core concepts like Raft consensus, key features, common use cases such as service discovery and configuration management, step‑by‑step installation for single‑node and cluster deployments, and essential etcdctl commands for managing data and cluster members.
This article provides a detailed analysis of Nacos as a service registry, covering its architecture, registration and discovery processes, health‑checking, Raft‑based consistency, Spring Cloud integration, and practical code examples for developers building micro‑service systems.
This article provides a comprehensive technical overview of Apache BookKeeper, covering its role as a distributed append‑only log service, core concepts, high‑availability mechanisms, storage‑media evolution, comparisons with Raft, and community resources, while illustrating its use in Pulsar and large‑scale data platforms.