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---
layout: table_wrappers
---
<!DOCTYPE html>
< html lang = "{{ site.lang | default: 'en-US' }}" >
{% include head.html %}
< body >
< svg xmlns = "http://www.w3.org/2000/svg" style = "display: none;" >
< symbol id = "svg-link" viewBox = "0 0 24 24" >
< title > Link< / title >
< svg xmlns = "http://www.w3.org/2000/svg" width = "24" height = "24" viewBox = "0 0 24 24" fill = "none" stroke = "currentColor" stroke-width = "2" stroke-linecap = "round" stroke-linejoin = "round" class = "feather feather-link" >
< path d = "M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71" > < / path > < path d = "M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71" > < / path >
< / svg >
< / symbol >
< symbol id = "svg-search" viewBox = "0 0 24 24" >
< title > Search< / title >
< svg xmlns = "http://www.w3.org/2000/svg" width = "24" height = "24" viewBox = "0 0 24 24" fill = "none" stroke = "currentColor" stroke-width = "2" stroke-linecap = "round" stroke-linejoin = "round" class = "feather feather-search" >
< circle cx = "11" cy = "11" r = "8" > < / circle > < line x1 = "21" y1 = "21" x2 = "16.65" y2 = "16.65" > < / line >
< / svg >
< / symbol >
< symbol id = "svg-menu" viewBox = "0 0 24 24" >
< title > Menu< / title >
< svg xmlns = "http://www.w3.org/2000/svg" width = "24" height = "24" viewBox = "0 0 24 24" fill = "none" stroke = "currentColor" stroke-width = "2" stroke-linecap = "round" stroke-linejoin = "round" class = "feather feather-menu" >
< line x1 = "3" y1 = "12" x2 = "21" y2 = "12" > < / line > < line x1 = "3" y1 = "6" x2 = "21" y2 = "6" > < / line > < line x1 = "3" y1 = "18" x2 = "21" y2 = "18" > < / line >
< / svg >
< / symbol >
< symbol id = "svg-arrow-right" viewBox = "0 0 24 24" >
< title > Expand< / title >
< svg xmlns = "http://www.w3.org/2000/svg" width = "24" height = "24" viewBox = "0 0 24 24" fill = "none" stroke = "currentColor" stroke-width = "2" stroke-linecap = "round" stroke-linejoin = "round" class = "feather feather-chevron-right" >
< polyline points = "9 18 15 12 9 6" > < / polyline >
< / svg >
< / symbol >
< symbol id = "svg-doc" viewBox = "0 0 24 24" >
< title > Document< / title >
< svg xmlns = "http://www.w3.org/2000/svg" width = "24" height = "24" viewBox = "0 0 24 24" fill = "none" stroke = "currentColor" stroke-width = "2" stroke-linecap = "round" stroke-linejoin = "round" class = "feather feather-file" >
< path d = "M13 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V9z" > < / path > < polyline points = "13 2 13 9 20 9" > < / polyline >
< / svg >
< / symbol >
< symbol id = "external-arrow" viewBox = "0 0 16 16" >
< title > External< / title >
< svg xmlns = "http://www.w3.org/2000/svg" width = "16" height = "16" fill = "currentColor" viewBox = "0 0 16 16" >
< path fill-rule = "evenodd" d = "M8.636 3.5a.5.5 0 0 0-.5-.5H1.5A1.5 1.5 0 0 0 0 4.5v10A1.5 1.5 0 0 0 1.5 16h10a1.5 1.5 0 0 0 1.5-1.5V7.864a.5.5 0 0 0-1 0V14.5a.5.5 0 0 1-.5.5h-10a.5.5 0 0 1-.5-.5v-10a.5.5 0 0 1 .5-.5h6.636a.5.5 0 0 0 .5-.5z" / >
< path fill-rule = "evenodd" d = "M16 .5a.5.5 0 0 0-.5-.5h-5a.5.5 0 0 0 0 1h3.793L6.146 9.146a.5.5 0 1 0 .708.708L15 1.707V5.5a.5.5 0 0 0 1 0v-5z" / >
< / svg >
< / symbol >
< / svg >
< div class = "side-bar" >
< div class = "site-header" >
< a href = "{{ '/' | absolute_url }}" class = "site-title lh-tight" > {% include title.html %}< / a >
< a href = "#" id = "menu-button" class = "site-button" >
< svg viewBox = "0 0 24 24" class = "icon" > < use xlink:href = "#svg-menu" > < / use > < / svg >
< / a >
< / div >
< nav role = "navigation" aria-label = "Main" id = "site-nav" class = "site-nav" >
{% if site.just_the_docs.collections %}
{% assign collections_size = site.just_the_docs.collections | size %}
{% for collection_entry in site.just_the_docs.collections %}
{% assign collection_key = collection_entry[0] %}
{% assign collection_value = collection_entry[1] %}
{% assign collection = site[collection_key] %}
{% if collection_value.nav_exclude != true %}
{% if collections_size > 1 %}
< div class = "nav-category" > {{ collection_value.name }}< / div >
{% endif %}
{% include nav.html pages=collection %}
{% endif %}
{% endfor %}
{% else %}
{% include nav.html pages=site.html_pages %}
{% endif %}
< / nav >
< footer class = "site-footer" >
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< p class = "text-small text-grey-dk-100" > See a problem? Submit < a href = "https://github.com/opensearch-project/documentation-website/issues" > issues< / a > or < a href = "https://github.com/opensearch-project/documentation-website/edit/main/{{ page.path }}" > edit this page< / a > on < a href = "https://github.com/opensearch-project/documentation-website/" > GitHub< / a > .< / p >
< p class = "text-small text-grey-dk-100 mb-0" > © 2021 OpenSearch contributors. This documentation is under the Apache License 2.0.< / p >
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< / footer >
< / div >
< div class = "main" id = "top" >
< div id = "main-header" class = "main-header" >
{% if site.search_enabled != false %}
< div class = "search" >
< div class = "search-input-wrap" >
< input type = "text" id = "search-input" class = "search-input" tabindex = "0" placeholder = "Search..." aria-label = "Search {{ site.title }}" autocomplete = "off" >
< label for = "search-input" class = "search-label" > < svg viewBox = "0 0 24 24" class = "search-icon" > < use xlink:href = "#svg-search" > < / use > < / svg > < / label >
< / div >
< div id = "search-results" class = "search-results" > < / div >
< / div >
{% endif %}
{% include header_custom.html %}
{% if site.aux_links %}
< nav aria-label = "Auxiliary" class = "aux-nav" >
< ul class = "aux-nav-list" >
{% for link in site.aux_links %}
< li class = "aux-nav-list-item" >
< a href = "{{ link.last }}" class = "site-button"
{% if site.aux_links_new_tab %}
target="_blank" rel="noopener noreferrer"
{% endif %}
>
{{ link.first }}
< / a >
< / li >
{% endfor %}
< / ul >
< / nav >
{% endif %}
< / div >
< div id = "main-content-wrap" class = "main-content-wrap" >
{% unless page.url == "/" %}
{% if page.parent %}
{%- for node in pages_list -%}
{%- if node.parent == nil -%}
{%- if page.parent == node.title or page.grand_parent == node.title -%}
{%- assign first_level_url = node.url | absolute_url -%}
{%- endif -%}
{%- if node.has_children -%}
{%- assign children_list = pages_list | where: "parent", node.title -%}
{%- for child in children_list -%}
{%- if page.url == child.url or page.parent == child.title -%}
{%- assign second_level_url = child.url | absolute_url -%}
{%- endif -%}
{%- endfor -%}
{%- endif -%}
{%- endif -%}
{%- endfor -%}
< nav aria-label = "Breadcrumb" class = "breadcrumb-nav" >
< ol class = "breadcrumb-nav-list" >
{% if page.grand_parent %}
< li class = "breadcrumb-nav-list-item" > < a href = "{{ first_level_url }}" > {{ page.grand_parent }}< / a > < / li >
< li class = "breadcrumb-nav-list-item" > < a href = "{{ second_level_url }}" > {{ page.parent }}< / a > < / li >
{% else %}
< li class = "breadcrumb-nav-list-item" > < a href = "{{ first_level_url }}" > {{ page.parent }}< / a > < / li >
{% endif %}
< li class = "breadcrumb-nav-list-item" > < span > {{ page.title }}< / span > < / li >
< / ol >
< / nav >
{% endif %}
{% endunless %}
< div id = "main-content" class = "main-content" role = "main" >
{% if site.heading_anchors != false %}
{% include vendor/anchor_headings.html html=content beforeHeading="true" anchorBody="< svg viewBox = \"0 0 16 16 \ " aria-hidden = \"true\" > < use xlink:href = \"#svg-link\" > < / use > < / svg > " anchorClass="anchor-heading" anchorAttrs="aria-labelledby=\"%html_id%\"" %}
{% else %}
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< p class = "warning" style = "margin-top: 0" > This documentation remains in a beta state. It has content gaps and might contain bugs.< / p >
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{{ content }}
{% endif %}
{% if page.has_children == true and page.has_toc != false %}
< hr >
< h2 class = "text-delta" > Table of contents< / h2 >
< ul >
{%- assign children_list = pages_list | where: "parent", page.title | where: "grand_parent", page.parent -%}
{% for child in children_list %}
< li >
< a href = "{{ child.url | absolute_url }}" > {{ child.title }}< / a > {% if child.summary %} - {{ child.summary }}{% endif %}
< / li >
{% endfor %}
< / ul >
{% endif %}
{% capture footer_custom %}
{%- include footer_custom.html -%}
{% endcapture %}
{% if footer_custom != "" or site.last_edit_timestamp or site.gh_edit_link %}
< hr >
< footer >
{% if site.back_to_top %}
< p > < a href = "#top" id = "back-to-top" > {{ site.back_to_top_text }}< / a > < / p >
{% endif %}
{{ footer_custom }}
{% if site.last_edit_timestamp or site.gh_edit_link %}
< div class = "d-flex mt-2" >
{% if site.last_edit_timestamp and site.last_edit_time_format and page.last_modified_date %}
< p class = "text-small text-grey-dk-000 mb-0 mr-2" >
Page last modified: < span class = "d-inline-block" > {{ page.last_modified_date | date: site.last_edit_time_format }}< / span > .
< / p >
{% endif %}
{% if
site.gh_edit_link and
site.gh_edit_link_text and
site.gh_edit_repository and
site.gh_edit_branch and
site.gh_edit_view_mode
%}
< p class = "text-small text-grey-dk-000 mb-0" >
< a href = "{{ site.gh_edit_repository }}/{{ site.gh_edit_view_mode }}/{{ site.gh_edit_branch }}{% if site.gh_edit_source %}/{{ site.gh_edit_source }}{% endif %}/{{ page.path }}" id = "edit-this-page" > {{ site.gh_edit_link_text }}< / a >
< / p >
{% endif %}
< / div >
{% endif %}
< / footer >
{% endif %}
< / div >
< / div >
< div class = "toc" >
{% include toc.html html=content h_min=2 h_max=2 class="toc-list" item_class="toc-item" sanitize=true %}
< / div >
{% if site.search_enabled != false %}
{% if site.search.button %}
< a href = "#" id = "search-button" class = "search-button" >
< svg viewBox = "0 0 24 24" class = "icon" > < use xlink:href = "#svg-search" > < / use > < / svg >
< / a >
{% endif %}
< div class = "search-overlay" > < / div >
{% endif %}
< / div >
{% if site.anchor_links != nil %}
< script >
anchors.add();
< / script >
{% endif %}
< / body >
< / html >