kolchfa-aws f999e0a8a8
Add an overview of search methods and pages for each search method (#5636)
* Restructuring TOC

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Resolve merge conflicts

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* More foundational rewrites of ML

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* TOC restructure

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Rename and rewrite search pages and add keyword search

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Small wording change

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Small wording change

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Updated response

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Apply suggestions from code review

Co-authored-by: Melissa Vagi <vagimeli@amazon.com>
Signed-off-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>

* Small rewording

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Move neural search to top of vector search list

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Change terminology

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Reorganize search methods list

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Rename links

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* More link renames

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* Apply suggestions from code review

Co-authored-by: Nathan Bower <nbower@amazon.com>
Signed-off-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>

* Implemented editorial comments

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

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Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>
Signed-off-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>
Co-authored-by: Melissa Vagi <vagimeli@amazon.com>
Co-authored-by: Nathan Bower <nbower@amazon.com>
2023-11-29 15:28:20 -05:00

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Markdown

---
layout: default
title: Settings
parent: Asynchronous search
grand_parent: Improving search performance
nav_order: 4
---
# Asynchronous Search settings
The Asynchronous Search plugin adds several settings to the standard OpenSearch cluster settings. They are dynamic, so you can change the default behavior of the plugin without restarting your cluster. To learn more about static and dynamic settings, see [Configuring OpenSearch]({{site.url}}{{site.baseurl}}/install-and-configure/configuring-opensearch/index/).
You can mark the settings as `persistent` or `transient`.
For example, to update the retention period of the result index:
```json
PUT _cluster/settings
{
"transient": {
"plugins.asynchronous_search.max_wait_for_completion_timeout": "5m"
}
}
```
Setting | Default | Description
:--- | :--- | :---
`plugins.asynchronous_search.max_search_running_time` | 12 hours | The maximum running time for the search beyond which the search is terminated.
`plugins.asynchronous_search.node_concurrent_running_searches` | 20 | The concurrent searches running per coordinator node.
`plugins.asynchronous_search.max_keep_alive` | 5 days | The maximum amount of time that search results can be stored in the cluster.
`plugins.asynchronous_search.max_wait_for_completion_timeout` | 1 minute | The maximum value for the `wait_for_completion_timeout` parameter.
`plugins.asynchronous_search.persist_search_failures` | false | Persist asynchronous search results that end with a search failure in the system index.