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Mike Chen's Internet Architecture
Mike Chen's Internet Architecture
Aug 20, 2025 · Backend Development

How Kafka Achieves High‑Performance Storage: Log Segments, Indexes, and Retention

This article explains Kafka's storage architecture, including its partition‑based log files, sequential append writes, log segment management, index files, and configurable time‑ and size‑based retention policies that together enable ultra‑high write throughput while controlling disk usage.

KafkaRetention PolicySequential Write
0 likes · 4 min read
How Kafka Achieves High‑Performance Storage: Log Segments, Indexes, and Retention
System Architect Go
System Architect Go
Oct 26, 2019 · Databases

Understanding InfluxDB Retention Policies and Shard Duration: A Deep Dive

This article explains InfluxDB's retention policy components—duration, replication, and shard duration—clarifies the concepts of shards and shard groups, describes default configurations, offers recommendations for shard group duration, and outlines practical considerations for performance and data management.

Database ArchitectureInfluxDBRetention Policy
0 likes · 5 min read
Understanding InfluxDB Retention Policies and Shard Duration: A Deep Dive
System Architect Go
System Architect Go
Oct 25, 2019 · Databases

Understanding InfluxDB: Core Concepts, Architecture, and Design Trade‑offs of a Time‑Series Database

This article explains the fundamentals of time‑series databases, introduces InfluxDB’s key components such as databases, measurements, retention policies, tags, fields, series, and points, describes the line protocol syntax, compares it with traditional databases, and outlines the design trade‑offs that shape its performance and limitations.

Data ModelingInfluxDBLine Protocol
0 likes · 10 min read
Understanding InfluxDB: Core Concepts, Architecture, and Design Trade‑offs of a Time‑Series Database