2021-05-28 13:48:19 -04:00
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---
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layout: default
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2021-06-10 01:18:31 -04:00
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title: Refresh search analyzer
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2021-05-28 13:48:19 -04:00
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nav_order: 40
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has_children: false
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redirect_from: /docs/ism/refresh-analyzer/
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has_toc: false
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---
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# Refresh search analyzer
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With ISM installed, you can refresh search analyzers in real time with the following API:
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```json
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POST /_plugins/_refresh_search_analyzers/<index or alias or wildcard>
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```
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For example, if you change the synonym list in your analyzer, the change takes effect without you needing to close and reopen the index.
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To work, the token filter must have an `updateable` flag of `true`:
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```json
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{
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"analyzer": {
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"my_synonyms": {
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"tokenizer": "whitespace",
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"filter": [
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"synonym"
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]
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}
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},
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"filter": {
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"synonym": {
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"type": "synonym_graph",
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"synonyms_path": "synonyms.txt",
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"updateable": true
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}
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}
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}
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```
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