How to Evolve Your Database Architecture for Massive Scale: From Monolith to Sharding

This article outlines the progressive evolution of database architectures—from simple monolithic designs to cold‑hot separation, read‑write splitting, and horizontal sharding—explaining each pattern, its components, and the performance and scalability benefits they bring to large‑scale systems.

Cold Hot SeparationDatabase ArchitectureRead-Write Separation

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How to Evolve Your Database Architecture for Massive Scale: From Monolith to Sharding

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Oct 21, 2022 · Databases

How We Replaced Elasticsearch with ClickHouse for High‑Performance Log Storage

Facing rapid growth, our team evaluated ClickHouse’s hot‑cold storage and tiered‑disk policies to replace Elasticsearch, designing partitioning, TTL, and multi‑level storage strategies—including hot, cold, and archive disks, custom storage policies, and OSS integration—to achieve higher write throughput, better compression, and over 50% cost reduction.

ClickHouseCold Hot SeparationCost Optimization

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How We Replaced Elasticsearch with ClickHouse for High‑Performance Log Storage