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cluster tuning

6 articles · Page 1 of 1
Cloud Architecture
Cloud Architecture
May 11, 2026 · Operations

3 Billion Products, 500 Million Daily Queries: How I Boosted a Failing Elasticsearch Cluster 5×

A large‑scale e‑commerce search system handling 3 billion product documents and 500 million daily queries was on the brink of collapse, but a systematic overhaul across query modeling, index design, write pipelines, cluster topology, and application‑level governance lifted throughput five‑fold while cutting P99 latency from 3.2 seconds to 180 ms.

ElasticsearchQuery OptimizationScaling
0 likes · 30 min read
3 Billion Products, 500 Million Daily Queries: How I Boosted a Failing Elasticsearch Cluster 5×
Ops Development Stories
Ops Development Stories
Feb 24, 2022 · Big Data

Master Elasticsearch: Core Concepts, APIs, Mapping, and Performance Tuning

This comprehensive guide explains Elasticsearch fundamentals—including documents, indices, nodes, clusters, REST and Document APIs, query DSL, relevance scoring, distributed architecture, real‑time indexing, search execution, pagination, scroll, aggregations, data modeling, mapping options, parent/child relationships, reindexing, and practical cluster and write/read performance optimizations.

AggregationData ModelingElasticsearch
0 likes · 58 min read
Master Elasticsearch: Core Concepts, APIs, Mapping, and Performance Tuning
Big Data Technology & Architecture
Big Data Technology & Architecture
Oct 8, 2021 · Big Data

Hadoop HDFS Storage Optimization, Erasure Coding, Heterogeneous Storage, and Cluster Tuning Guide

This article provides a comprehensive guide to optimizing Hadoop HDFS storage through erasure coding and heterogeneous storage policies, explains fault‑tolerance techniques such as safe mode and slow‑disk monitoring, and shares practical MapReduce performance tuning and enterprise‑level configuration examples for large‑scale clusters.

HDFSHadoopMapReduce
0 likes · 32 min read
Hadoop HDFS Storage Optimization, Erasure Coding, Heterogeneous Storage, and Cluster Tuning Guide
Sohu Tech Products
Sohu Tech Products
Mar 10, 2021 · Databases

Elasticsearch Deployment Best Practices: Memory, CPU, Sharding, Replicas, Hot/Warm Architecture, Node Roles, Monitoring and Troubleshooting

This article presents practical best‑practice guidelines for configuring Elasticsearch in production, covering heap memory sizing, CPU considerations, shard and replica planning, hot‑warm node architecture, node role settings, common pitfalls, monitoring APIs, and troubleshooting tips.

ElasticsearchMemory ManagementMonitoring
0 likes · 15 min read
Elasticsearch Deployment Best Practices: Memory, CPU, Sharding, Replicas, Hot/Warm Architecture, Node Roles, Monitoring and Troubleshooting
Zhengtong Technical Team
Zhengtong Technical Team
Apr 30, 2020 · Big Data

Design and Performance Optimization of an Intelligent Search System for City Operations Big Data Center

This article describes the background, requirement‑driven prototype design, Elasticsearch‑based query‑DSL selection, and extensive performance tuning—including hardware configuration, indexing parameters, JVM and garbage‑collector adjustments—that enabled real‑time ingestion of hundreds of thousands of records and sub‑second search responses for a city‑wide data platform.

Big DataElasticsearchIntelligent Search
0 likes · 12 min read
Design and Performance Optimization of an Intelligent Search System for City Operations Big Data Center