Full-Stack Internet Architecture
Jan 9, 2021 · Big Data
Performance Optimization of Elasticsearch in an ELK Log Architecture
This article summarizes a year‑long performance tuning of an ELK logging system, analyzing bottlenecks such as write thread pool saturation, JVM heap and GC settings, refresh intervals, translog durability, merge threads, shard and replica counts, and provides concrete configuration changes that reduced latency, eliminated data loss, and stabilized node resource usage.
ELKElasticsearchJVM
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