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Databases Dec 11, 2023 Refining Core Development Skills

Understanding Tencent Cloud's TDSQL Distributed Relational Database Architecture and Features

This article explains the motivations behind distributed databases in high‑risk industries, introduces Tencent Cloud's TDSQL as a market leader, and details its architecture—including load balancing, SQL engine, compute and storage separation, raft‑based strong consistency, lossless upgrades, high‑availability failover, and an intelligent DBA platform.

high availabilitydistributed databaseTDSQLintelligent DBAlossless upgradestrong consistency

Big Data Nov 3, 2023 Bilibili Tech

Comprehensive Governance and Optimization Strategies for Large‑Scale Kafka Clusters

To tame a petabyte‑scale Kafka deployment of over 1,000 brokers, the team built a Raft‑based federation controller (Guardian) that adds per‑partition I/O throttling, disk‑aware automatic balancing, multi‑tenant isolation, cross‑IDC migration, request‑queue splitting, tiered storage, auditing, and fully automated rolling upgrades, enabling stable, self‑healing operations.

distributed systemsperformance optimizationbig dataKafkaCluster Governance

Databases Nov 2, 2023 DataFunSummit

Understanding TiKV: Features, Architecture, and Large‑Scale Operational Challenges

This article introduces the distributed transactional KV store TiKV, explains its role as TiDB’s storage engine, details its multi‑layered architecture and Raft‑based consistency model, and discusses the performance and resource challenges encountered at massive data scales along with the engineering solutions implemented to address them.

performance optimizationarchitecturedistributed databaselarge-scaleRaftTiKVtransactional KV

Databases Oct 9, 2023 AntTech

TuGraph-DB v4.0: New Features Including ISO GQL Support, Enterprise High Availability, and Graph Learning Engine

TuGraph-DB v4.0, the open‑source graph database from Ant Group, introduces ISO GQL compliance, enterprise‑grade high availability with RAFT‑based leader election, and an integrated graph learning engine compatible with DGL and PyG, enhancing query capabilities, scalability, and AI‑driven analytics.

distributed systemsAIhigh availabilitygraph databasegraph learningISO GQLTuGraph-DB

Cloud Native Sep 10, 2023 DataFunSummit

An Overview of Curve: High‑Performance Cloud‑Native Distributed Storage System

Curve is a high‑performance, easy‑to‑operate, cloud‑native open‑source distributed storage system (CNCF Sandbox) that provides block and file storage for OpenStack, Kubernetes, and PolarFS, featuring Raft‑based consistency, hybrid storage, high availability, and an ongoing roadmap for AI and other workloads.

performancecloud nativeKubernetesdistributed storageRaftblock storageCurve

Fundamentals Mar 1, 2023 Architects Research Society

Understanding Consistency in Distributed Systems

This article explains the concept of consistency in distributed systems, distinguishes strong and weak (eventual) consistency, outlines typical use cases and challenges, and reviews key protocols such as 2‑Phase Commit, 3‑Phase Commit, Paxos, and Raft, while referencing the FLP and CAP theorems.

distributed systemsCAP theorem2PCconsistencyPaxos3PCFLP theorem

Cloud Native Feb 7, 2023 Bilibili Tech

Bilibili Configuration Center (Config & Paladin): Architecture, Features, and Performance

Bilibili’s Config Center evolved from the 2017 Config v1 monolith—offering unified UI, MySQL storage, and long‑polling—to the Raft‑based Paladin v2, which adds lifecycle management, tenant isolation, incremental publishing, high‑throughput caching, multi‑active deployment, validation and rich tooling, handling hundreds of thousands of configs and tens of thousands of concurrent clients with sub‑50 ms push latency while planning deeper K8s integration.

Distributed SystemsCloud NativeMicroservicesConfiguration ManagementHigh AvailabilityPaladin

Databases Jan 18, 2023 Architect

Design and Architecture of Bilibili's High‑Performance KV Storage System

This article presents the background, overall architecture, partitioning strategies, raft‑based replication, binlog support, multi‑active deployment, bulk‑load mechanisms, storage‑engine optimizations, load‑balancing policies, and failure‑detection & recovery techniques of a high‑reliability, high‑throughput key‑value store used at Bilibili.

distributed systemsload balancingKV storageraftbulk loadpartitioning

Operations Dec 2, 2022 High Availability Architecture

High‑Availability Design and Implementation of the BIGO Backbone Network

This article explains how BIGO’s backbone network achieves high availability through a three‑layer design—control‑plane HA using ETCD‑based Raft leader election, data‑plane HA with MPLS SR‑Policy and intermediate Route‑Reflection layers, and business‑level HA that combines traffic, optimization, and fault scheduling to ensure seamless service continuity.

High AvailabilityFault ToleranceSDNNetwork DesignMPLSSR-Policy

Databases Nov 25, 2022 Zuoyebang Tech Team

Cut Storage Costs 400%: Inside BitalosDB’s High‑Performance KV Engine

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.

NoSQLKV storageDistributed storageDatabase performanceRaftCRDT

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