This guide outlines the purpose, scope, principles, and detailed specifications for log management—including file naming, retention periods, content rules, security handling, and monitoring—to ensure reliable issue tracing, data safety, and regulatory compliance across all system development projects.
Facing limited storage of Zabbix historical data in Elasticsearch, the article outlines a comprehensive strategy—expanding nodes, adding SSDs, redesigning index mapping, using hot‑cold node tiers, employing Curator for automated shrink, segment merging, and lifecycle management—to retain up to a year of monitoring data efficiently.
This article answers common Kafka questions, explaining why Kafka cannot operate without Zookeeper, describing its two retention strategies based on time and size, detailing how simultaneous time‑ and size‑based cleanup works, listing performance bottlenecks, and offering practical guidelines for sizing and configuring Kafka clusters.
This article explains the NAND Flash production flow, hierarchical structure from wafer to cell, and critical performance indicators such as endurance, data retention, bit error rates, and factors influencing SSD lifespan, providing a comprehensive overview for storage engineers and designers.
This article explains why Kafka can be used for permanent data retention, outlines practical use cases such as event logging, cache rebuilding, stream recomputation, and database change capture, and clarifies why Kafka is a stream‑processing platform rather than a traditional message queue or database.
