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Xiaokun's Architecture Exploration Notes

Jun 8, 2025 · Databases

Why Data Replication Matters: Architectures, Formats, and Consistency Models

This article explores the principles of data replication, comparing shared memory, shared disk, and non‑shared storage architectures, detailing replication formats, consistency challenges, and various replication strategies such as synchronous, asynchronous, semi‑synchronous, and majority‑based approaches, helping engineers choose the right trade‑offs.

Asynchronous ReplicationConsistencydata replication

0 likes · 12 min read

Why Data Replication Matters: Architectures, Formats, and Consistency Models

Su San Talks Tech

May 18, 2024 · Databases

Boost Large Table Queries with Query Separation: When and How to Implement

This article explains query separation as a strategy to accelerate slow large‑table queries by duplicating data to a dedicated query store, outlines when to adopt it, compares synchronous, asynchronous, and binlog approaches, discusses storage choices such as MongoDB, HBase, Elasticsearch, and addresses consistency and MQ challenges.

Asynchronous ReplicationDatabase OptimizationElasticsearch

0 likes · 10 min read

Boost Large Table Queries with Query Separation: When and How to Implement

Code Ape Tech Column

Sep 26, 2023 · Databases

Query Separation: Optimizing Large Table Reads by Decoupling Query Data

The article explains query separation as a technique to improve performance of massive business tables by storing write‑optimized data and query‑optimized data separately, discusses when to apply it, various implementation methods, storage options, and operational considerations such as MQ handling and consistency.

Asynchronous ReplicationElasticsearchcold hot data

0 likes · 10 min read

Query Separation: Optimizing Large Table Reads by Decoupling Query Data

Sanyou's Java Diary

Aug 17, 2023 · Backend Development

How RocketMQ Achieves High Availability with Master‑Slave Replication

This article explains RocketMQ's master‑slave replication mechanism, comparing synchronous and asynchronous modes, detailing metadata and message data copying processes, and showing how synchronous guarantees are implemented using CompletableFuture to ensure high availability.

Asynchronous ReplicationBackend MessagingRocketMQ

0 likes · 9 min read

How RocketMQ Achieves High Availability with Master‑Slave Replication

Code Ape Tech Column

Sep 19, 2022 · Databases

Query Separation: Optimizing Large Table Queries with Separate Read Stores

The article explains query separation as a technique to improve performance of massive database tables by storing write‑optimized data and read‑optimized copies in separate systems, discusses when to apply it, implementation methods, storage choices, consistency handling, and practical considerations.

Asynchronous ReplicationBinlogDatabase Optimization

0 likes · 8 min read

Query Separation: Optimizing Large Table Queries with Separate Read Stores

Aikesheng Open Source Community

Oct 30, 2020 · Databases

Configuring MySQL MGR with Asynchronous Replication Automatic Failover for Multi‑Site Disaster Recovery

This article explains how MySQL Group Replication (MGR) can provide zero‑RPO high‑availability within a city‑scale data center, why it needs asynchronous replication for WAN‑scale disaster recovery, and walks through a step‑by‑step setup—including code examples—for automatic failover of asynchronous replication channels.

Asynchronous ReplicationMGRdatabase high availability

0 likes · 6 min read

Configuring MySQL MGR with Asynchronous Replication Automatic Failover for Multi‑Site Disaster Recovery

Architects' Tech Alliance

Jul 31, 2019 · Databases

Overview of Five Common Data Replication Technologies

This article introduces the global data replication market, explains synchronous and asynchronous replication, and details five typical replication techniques—host‑based, application/middleware‑based, database‑based, storage‑gateway‑based, and storage‑media‑based—highlighting their principles, advantages, and trade‑offs for disaster‑recovery planning.

Asynchronous Replicationdata replicationdatabase

0 likes · 11 min read

Overview of Five Common Data Replication Technologies

21CTO

May 30, 2019 · Databases

Mastering Redis Replication: From Sync Process to Partial and Full Copy

This article provides a comprehensive walkthrough of Redis replication, detailing the step‑by‑step sync process, data synchronization mechanisms, full and partial copy workflows, heartbeat design, and asynchronous replication, while highlighting key commands like PSYNC and their practical implications.

Asynchronous ReplicationFull SyncHeartbeat

0 likes · 13 min read

Mastering Redis Replication: From Sync Process to Partial and Full Copy

Java High-Performance Architecture

Aug 24, 2015 · Operations

How DRBD Enables Real-Time Block-Level Replication for High Availability

DRBD (Distributed Replicated Block Device) is a software‑based, network‑driven block replication solution that mirrors disks, partitions, or logical volumes across servers in real time, offering synchronous and asynchronous modes, transparent failover, and a middle‑layer between the filesystem and physical storage.

Asynchronous ReplicationDRBDblock replication

0 likes · 3 min read

How DRBD Enables Real-Time Block-Level Replication for High Availability