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143 results

Backend Development May 20, 2022 Bilibili Tech

Design and Implementation of Bilibili Object Storage Service (BOSS): Architecture, Topology, Metadata, Erasure Coding, and Scaling

The article chronicles Bilibili’s 13‑day development of BOSS, a custom object storage service, detailing how it replaces MySQL‑based routing and ID generation with replicated etcd or Raft KV stores, models metadata via protobuf, adopts erasure coding and a Bitcask‑style engine, and implements safe delete, replica repair, and horizontal scaling for a resilient large‑scale system.

distributed systemsbackend architecturescalabilityerasure codingobject storagemetadata design

Operations Mar 16, 2022 Xiaolei Talks DB

How to Recover a TiKV Cluster After Multiple Node Failures

This article demonstrates how to simulate and recover TiKV cluster failures by shutting down one, two, or three nodes, explains the impact on Raft groups and region availability, and provides step‑by‑step commands for disabling PD scheduling, using tikv‑ctl, and restoring data integrity.

TiDBData LossRaftTiKVCluster RecoveryPD

Databases Mar 14, 2022 Aikesheng Open Source Community

Understanding ClickHouse-Keeper: Features, Configuration, Commands, and Migration from ZooKeeper

ClickHouse‑Keeper, a C++‑based ZooKeeper replacement using the Raft algorithm, offers linearizable reads, compression, and easier deployment; this article explains its advantages, configuration template, startup command, parameter details, health checks, and step‑by‑step migration from ZooKeeper using the ClickHouse‑Keeper‑Converter tool.

MigrationDatabaseConfigurationZooKeeperClickHouseRaftKeeper

Databases Mar 11, 2022 Bilibili Tech

Design and Architecture of Bilibili's High‑Performance Distributed KV Store

Bilibili’s high‑performance distributed KV store combines hash and range partitioning, Raft‑based multi‑replica consistency, and a Metaserver‑managed topology of pools, zones, nodes, tables, shards and replicas, offering features such as partition splitting, binlog streaming, multi‑active replication, bulk loading, KV‑storage separation, and automated load, leader and health balancing for reliable, scalable data services.

distributed storagekv storebulk loadfailure recoverypartitioningraft consensus

Cloud Native Mar 10, 2022 Architecture Digest

Nacos Architecture and Service Registration Mechanism in Spring Cloud

This article explains the Nacos architecture, including its provider, consumer, name server, and server components, and details how Spring Cloud integrates with Nacos for service registration, heartbeat monitoring, and dynamic service discovery using Open API, SDK, and Raft-based consistency protocols.

Cloud NativeMicroservicesService DiscoveryNacosSpring Cloud

Operations Mar 6, 2022 Efficient Ops

Mastering Redis Sentinel: Build High‑Availability Clusters Step‑by‑Step

This article explains Redis Sentinel’s role in achieving high availability, details its core functions, underlying Raft‑based algorithm, configuration parameters, practical setup steps, fault‑tolerance mechanisms, quorum and majority calculations, and demonstrates failover and recovery scenarios with real command‑line examples.

High AvailabilityRedisConfigurationSentinelFailover

Big Data Feb 28, 2022 Tencent Cloud Developer

GooseFS: Distributed Caching System for Storage-Compute Separation Architecture

GooseFS, Tencent Cloud’s distributed caching system for storage‑compute separation, links compute frameworks to underlying storage (COS, CHDFS, COSN) and boosts big‑data and AI workloads by 2‑10× through transparent acceleration, robust master‑worker architecture, Raft‑based HA, tiered caching, and metadata optimizations, delivering up to 50% cost savings and 29% faster compute jobs.

big data architecturestorage-compute separationTencent CloudLRU cachedistributed cachingRaft consensusGooseFSmetadata optimization

Cloud Native Feb 13, 2022 Architecture Digest

What Is etcd? Features, Use Cases, and Comparison with Zookeeper

This article explains the distributed key‑value store etcd, its origin, core characteristics such as simplicity, security, speed and Raft‑based reliability, and details eight practical scenarios—including service discovery, pub/sub, load balancing, distributed locks and leader election—while also comparing it with Zookeeper.

cloud nativeservice discoveryconfiguration managementRaftetcddistributed key-value store

Fundamentals Jan 23, 2022 Tencent Cloud Developer

Understanding Paxos and Consensus Algorithms in Distributed Systems

Understanding Paxos and other consensus algorithms, this article explains how crash‑fault‑tolerant protocols like Paxos, Raft, and ZAB achieve sequential consistency through two‑phase voting, contrasts them with Byzantine‑fault‑tolerant methods, and details Multi‑Paxos optimizations, leader election, and practical trade‑offs for distributed systems.

Distributed SystemsRaftConsensus AlgorithmByzantine Fault ToleranceCrash Fault ToleranceMulti-PaxosPaxos

Cloud Native Jan 12, 2022 Architect

Service Governance and etcd: Architecture, Core Technologies, and Large‑Scale Implementation

This article explains service governance concepts, the challenges of managing thousands of micro‑services, introduces etcd and its Raft‑based consistency model, details BoltDB storage internals, and describes Baidu's large‑scale Tianlu platform with its high‑availability, performance, scalability, and operational metrics.

distributed systemscloud nativeservice governanceRaftetcd

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