Elasticsearch Fundamentals: Core Concepts and Operations
Table of Contents- Inverted Index
Elasticsearch Query and Storage Architecture
Comparison with Database Queries:
Basic Concepts
Use Cases
Core Components
Working with Elasticsearch
Index Operations
Elasticsearch Data Types
Mapping Operations
Document Operations
Inverted Index
An inverted index is created by tokenizing documents to establish r ...
Posted on Sat, 05 Sep 2026 16:24:54 +0000 by ricta
Performance Benchmark: Elasticsearch vs Easysearch
Virtual Machine Specifications
Using Alibaba Cloud instance type: ecs.u1-c1m4.4xlarge, PL2: Single disk IOPS performance limit 100,000 (applicable cloud disk capacity range: 461GiB - 64TiB)
vCPU
Memory (GiB)
Disk (GB)
Bandwidth (Gbit/s)
Quantity
16
64
500
5000
24
Easysearch Configuration
7-node cluster, version: 1.9.0
Instance Name ...
Posted on Sat, 15 Aug 2026 16:02:11 +0000 by Archangel915
Installing Elasticsearch 7.x on Linux Systems
This guide covers the complete process of setting up Elasticsearch 7.x on a Linux environment, including download, configuration, user setup, and automatic startup configuration.
Downloading the Distribution Package
Obtain the desired Elasticsearch version from the official archive repository. The folowing commands download the archive and extr ...
Posted on Fri, 17 Jul 2026 17:06:35 +0000 by akjackson1
Implementing Field-Level Custom Dictionaries in Easysearch with IK Analyzer
Dictionary Storage Structure
The system uses a default index named .analysis_ik to store dictionary entries. Users can override this with a custom index while maintaiinng the required structure:
PUT .custom_dict_index/_doc
{
"dictionary_name": "tech_terms",
"dictionary_category": "main_dicts",
" ...
Posted on Tue, 19 May 2026 07:04:14 +0000 by cdennste