ICU Analysis Plugin

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The ICU Analysis plugin integrates the Lucene ICU module into elasticsearch, adding extended Unicode support using the ICU libraries, including better analysis of Asian languages, Unicode normalization, Unicode-aware case folding, collation support, and transliteration.

Installation

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This plugin can be installed using the plugin manager:

sudo bin/plugin install analysis-icu

The plugin must be installed on every node in the cluster, and each node must be restarted after installation.

This plugin can be downloaded for offline install from https://download.elastic.co/elasticsearch/release/org/elasticsearch/plugin/analysis-icu/2.4.6/analysis-icu-2.4.6.zip.

Removal

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The plugin can be removed with the following command:

sudo bin/plugin remove analysis-icu

The node must be stopped before removing the plugin.