Google Git
Sign in
apache / ignite-website / refs/heads/master / . / docs / 3.0.0-beta / sql-reference / distribution-zones.html
blob: 61ab7d021458d9a0ea065d8f020cb7756d7206a8 [file] [log] [blame]
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-61232409-1"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-61232409-1');
</script>
<!-- Yandex.Metrika counter -->
<script type="text/javascript" >
(function(m,e,t,r,i,k,a){m[i]=m[i]||function(){(m[i].a=m[i].a||[]).push(arguments)};
m[i].l=1*new Date();k=e.createElement(t),a=e.getElementsByTagName(t)[0],k.async=1,k.src=r,a.parentNode.insertBefore(k,a)})
(window, document, "script", "https://mc.yandex.ru/metrika/tag.js", "ym");
ym(72949126, "init", {
clickmap:true,
trackLinks:true,
accurateTrackBounce:true,
webvisor:true
});
</script>
<noscript><div><img src="https://mc.yandex.ru/watch/72949126" style="position:absolute; left:-9999px;" alt="" /></div></noscript>
<!-- /Yandex.Metrika counter -->
<!-- Bugyard widget embed -->
<script type="text/javascript">!function(){if("function"!=typeof window.bugyard){var a=function(){a.c(arguments)};a.q=[],a.c=function(b){a.q.push(b)},window.bugyard=a;var b=document.createElement("script");b.setAttribute("data-bugyard","610961912c35ff001493163a"),b.setAttribute("async","async"),b.setAttribute("defer","defer"),b.setAttribute("src","https://widget.bugyard.io/bugyard.min.js"),document.getElementsByTagName("head")[0].appendChild(b)}}(); window.bugyard("hideButton"); </script>
<link rel="preload" href='/assets/js/code-tabs.js?1' as="script" crossorigin>
<link rel="preload" href='/assets/js/page-nav.js' as="script" crossorigin>
<link rel="preload" href='/assets/js/docs-menu.js?20201005' as="script" crossorigin>
<style>:root{--gg-red:#ec1c24;--gg-orange:#ec1c24;--gg-orange-dark:#bc440b;--gg-orange-filter:invert(47%) sepia(61%) saturate(1950%) hue-rotate(345deg) brightness(100%) contrast(95%);--gg-dark-gray:#333333;--orange-line-thickness:3px;--block-code-background:rgba(241, 241, 241, 20%);--inline-code-background:rgba(241, 241, 241, 90%);--padding-top:25px;--link-color:#ec1c24;--body-background:#fcfcfc}header{min-height:var(--header-height);background:#fff;box-shadow:0 4px 10px 0 #eee,0 0 4px 0 #d5d5d5;z-index:1}header>.container{display:grid;grid-template-columns:auto auto 1fr auto auto auto;grid-template-areas:'left-toggle home nav ver api search lang';grid-template-rows:40px;flex-direction:row;align-items:center;justify-content:flex-start;padding:12px 20px;max-width:1400px;margin:0 auto}header nav>ul{padding:0;margin:0;list-style:none;display:inherit}header .dropdown{display:none;position:fixed;top:calc(var(--header-height) - 12px);width:auto;background:#fff;box-shadow:0 4px 4px 0 rgba(0,0,0,.24),0 0 4px 0 rgba(0,0,0,.12);border-radius:4px;padding-top:10px;padding-bottom:12px;z-index:2}header .dropdown li{display:flex}header .dropdown a{color:grey!important;font-size:16px;padding-top:5px;padding-bottom:4px}header .menu{border:none;background:0 0;width:40px;height:40px;margin-right:12px;grid-area:left-toggle}header .menu img{width:18px;height:12px}header .search-close,header .top-nav-toggle{background:0 0;border:none;padding:0;width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;color:var(--gg-dark-gray);font-size:26px}header .search-toggle{grid-area:search}header .top-nav-toggle{grid-area:top-toggle}header .home{grid-area:home;margin-right:auto}header .home img{height:36px}header #api-docs{grid-area:api;margin:0;display:flex}header #api-docs .dropdown{padding:.5em 0}header #api-docs a{padding:9px 14px;color:var(--gg-dark-gray)!important;text-decoration:none;white-space:nowrap}header #api-docs .dropdown-item a{font-weight:400;display:block;width:100%;min-width:150px}header #lang-selector li{list-style:none;display:flex;padding:9px 14px}header #lang-selector li a{display:flex;color:#000;align-items:center}header #lang-selector li a span{font-size:10px;margin-left:5px}header #lang-selector li a img{width:25px}header #lang-selector li .dropdown{margin-left:-70px}header #lang-selector li .dropdown .dropdown-item{padding:0 1em;margin-bottom:8px}header #lang-selector li .dropdown .dropdown-item a span{font-size:14px}header .search{margin-left:auto;margin-right:20px;grid-area:search}header .search input[type=search]{color:var(--gg-dark-gray);background:rgba(255,255,255,.8);border:1px solid #ccc;padding:10px 15px;font-family:inherit;max-width:148px;height:37px;font-size:14px;-webkit-appearance:unset;appearance:unset}header #version-selector{list-style:none;grid-area:ver;line-height:28px;border-radius:0;margin-right:10px;border:none;color:var(--gg-dark-gray);padding:5px 16px 5px 10px;white-space:nowrap;font-size:14px;width:auto;text-align:right;box-sizing:border-box;text-align-last:right;-moz-appearance:none;-webkit-appearance:none;appearance:none;direction:rtl}header #version-selector option{direction:ltr}header>nav{grid-area:nav;font-size:18px;display:flex;flex-direction:row;margin:0 20px}header #lang-selector{grid-area:lang}header .search-close{margin-right:10px}@media (max-width:600px){header .search{margin-right:5px}header .search input[type=search]{max-width:110px}}header:not(.narrow-header) .search-close,header:not(.narrow-header) .top-nav-toggle{display:none}@media (max-width:670px){header>.container{grid-template-columns:auto 1fr auto;grid-template-areas:'left-toggle home search' 'ver api lang'}header #lang-selector li{justify-content:flex-end}}pre,pre.rouge{padding:8px 15px;background:var(--block-code-background)!important;border-radius:5px;border:1px solid #e5e5e5;overflow-x:auto;min-height:36px;line-height:18px;color:#545454}code{color:#545454}pre.rouge code{background:0 0!important}:not(pre)>code{background:var(--inline-code-background);padding:.1em .5em;background-clip:padding-box;border-radius:3px;color:#545454;font-size:90%}.listingblock .content{position:relative}.highlight{color:#586e75}.highlight .c1{color:#657b83}.highlight .nt{color:#b58900}.highlight .o{color:#93a1a1}.highlight .k{color:#6c71c4}.highlight .kt{color:#cb4b16}.highlight .s,.highlight .s1{color:#859900}.highlight .nc{color:#b58900}.highlight .na{color:#268bd2}body{font-family:'Open Sans',sans-serif}h1,h2{color:#000;font-weight:400;font-family:'Open Sans'}h1{font-size:36px;line-height:40px}a{text-decoration:none;color:var(--link-color)}section{color:#545454}.admonitionblock .icon .title{display:none}body{--header-height:64px;--promotion-bar-height:35px;--footer-height:104px;--footer-gap:60px;padding:0;margin:0;display:flex;flex-direction:column;min-height:100vh;background-color:var(--body-background);font-family:'Open Sans',sans-serif}body>section{flex:1}header{position:-webkit-sticky;position:sticky;top:0;z-index:2}*{box-sizing:border-box}@media (max-width:670px){body{--header-height:97px}}.left-nav{padding:10px 20px;width:289px;overflow-y:auto;top:calc(var(--header-height) + var(--promotion-bar-height));height:calc(100vh - var(--header-height) - var(--promotion-bar-height));font-family:'Open Sans';padding-top:var(--padding-top);background-color:var(--body-background)}.left-nav li{list-style:none}.left-nav a,.left-nav button{text-decoration:none;color:#757575;font-size:16px;display:inline-flex;width:100%;margin:2px 0;padding:.25em .375em;background:0 0;border:none;font:inherit;text-align:left}.left-nav a.active{color:var(--link-color)}.left-nav .nav-group{margin-left:6px;font-size:14px}.left-nav nav{border-left:2px solid #ddd;margin-bottom:5px}.left-nav nav.collapsed{display:none}.left-nav nav>li>a,.left-nav nav>li>button{padding-left:20px;text-align:left}.left-nav nav>li>a.active{border-left:var(--orange-line-thickness) solid var(--active-color);padding-left:calc(20px - var(--orange-line-thickness))}.left-nav nav.sub_pages{border:none}.left-nav nav.sub_pages a{padding-left:32px}.left-nav .state-indicator{margin-left:auto;margin-top:5px;width:6.2px;height:10px;flex:0 0 auto;filter:invert(49%) sepia(4%) saturate(5%) hue-rotate(23deg) brightness(92%) contrast(90%)}.left-nav button.expanded .state-indicator{transform:rotate(90deg)}.right-nav{width:289px;padding:12px 26px;overflow-y:auto;height:calc(100vh - var(--header-height));top:0;position:-webkit-sticky;position:sticky;display:flex;flex-direction:column;font-family:'Open sans';padding-top:var(--padding-top);background-color:#fff}.right-nav ul{list-style:none;padding:0;margin:0}.right-nav li{padding:0}.right-nav a{--border-width:0px;font-size:14px;color:#757575;padding-left:calc(15px * var(--nesting-level) + 8px - var(--border-width));margin:.3em 0;display:inline-block}.right-nav .sectlevel1{border-left:2px solid #ddd}.right-nav .sectlevel1{--nesting-level:0}.right-nav .sectlevel2{--nesting-level:1}.right-nav .sectlevel3{--nesting-level:2}@media (max-width:1200px){.right-nav{width:230px}}.right-nav footer{font-size:12px;padding:calc(var(--footer-gap) * .3) 0 5px;text-align:left;margin:auto 0 0}section.page-docs{display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:100%;grid-template-areas:'left-nav content right-nav';line-height:20px;max-width:1440px;margin:auto;width:100%}section.page-docs>article{border-left:1px solid #eee;background-color:#fff;padding:0 50px 30px;grid-area:content;overflow:hidden;font-family:sans-serif;font-size:16px;color:#545454;line-height:1.6em}section.page-docs>article h1,section.page-docs>article h2{font-family:'Open Sans'}@media (max-width:800px){section.page-docs>article{padding-left:15px;padding-right:15px}}section.page-docs .edit-link{position:relative;top:10px;right:10px;float:right;padding-top:calc(var(--header-height) + var(--padding-top));margin-top:calc((-1 * var(--header-height)))}section.page-docs h1,section.page-docs h2{margin-bottom:0}section.page-docs h2[id]{margin-top:var(--margin-top);margin-bottom:calc(var(--margin-top) * .5);z-index:-1}section.page-docs .title{font-style:italic}section.page-docs h2[id]{--margin-top:1.2em}.left-nav{bottom:0;position:-webkit-sticky;position:sticky}.left-nav{grid-area:left-nav}.right-nav{grid-area:right-nav}.left-nav__overlay{display:none;background:rgba(0,0,0,.5);z-index:1;position:fixed;top:var(--header-height);bottom:0;left:0;right:0}@media (max-width:990px){body:not(.hide-left-nav) .left-nav__overlay{display:block}nav.left-nav{background:#fafafa;grid-area:left-nav;box-shadow:0 4px 4px 0 rgba(0,0,0,.24),0 0 4px 0 rgba(0,0,0,.12);min-height:calc(100vh - var(--header-height));max-height:calc(100vh - var(--header-height));position:fixed;bottom:0;top:var(--header-height);z-index:2}section.page-docs>article{grid-column-start:left-nav;grid-column-end:content;grid-row:content}}@media (max-width:800px){nav.right-nav{display:none}}:target:before{content:"";display:block;margin-top:calc(var(--header-height) * -1);height:var(--header-height);width:1px}@media (min-width:600px) and (max-width:900px){:target:before{content:"";display:block;width:1px;margin-top:-150px;height:150px}}
#header #promotion-bar { background-color: #333333; padding: 8px; }
#header #promotion-bar p { font-size: 14px; line-height: 1.4em; font-weight: 600; padding: 0; margin: 0; color: #f0f0f0; text-align: center;}
#header #promotion-bar p a { color: #FCB903; } </style>
<meta name="ignite-version" content="3.0.0-beta" />
<title>Distribution Zones | Ignite Documentation</title>
<link rel="canonical" href="/docs/3.0.0-beta/sql-reference/distribution-zones" />
<META NAME="ROBOTS" CONTENT="NOINDEX" />
<link rel="shortcut icon" href="/favicon.ico">
<meta name='viewport' content='width=device-width, height=device-height, initial-scale=1.0, minimum-scale=1.0'>
<link rel="preload" as="style" href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;700&display=swap" />
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;700&display=swap" media="print" onload="this.media='all'">
<noscript>
<link href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;700&display=swap" rel="stylesheet">
</noscript>
<script>
// AnchorJS - v4.2.0 - 2019-01-01
// https://github.com/bryanbraun/anchorjs
// Copyright (c) 2019 Bryan Braun; Licensed MIT
!function(A,e){"use strict";"function"==typeof define&&define.amd?define([],e):"object"==typeof module&&module.exports?module.exports=e():(A.AnchorJS=e(),A.anchors=new A.AnchorJS)}(this,function(){"use strict";return function(A){function f(A){A.icon=A.hasOwnProperty("icon")?A.icon:"",A.visible=A.hasOwnProperty("visible")?A.visible:"hover",A.placement=A.hasOwnProperty("placement")?A.placement:"right",A.ariaLabel=A.hasOwnProperty("ariaLabel")?A.ariaLabel:"Anchor",A.class=A.hasOwnProperty("class")?A.class:"",A.base=A.hasOwnProperty("base")?A.base:"",A.truncate=A.hasOwnProperty("truncate")?Math.floor(A.truncate):64,A.titleText=A.hasOwnProperty("titleText")?A.titleText:""}function p(A){var e;if("string"==typeof A||A instanceof String)e=[].slice.call(document.querySelectorAll(A));else{if(!(Array.isArray(A)||A instanceof NodeList))throw new Error("The selector provided to AnchorJS was invalid.");e=[].slice.call(A)}return e}this.options=A||{},this.elements=[],f(this.options),this.isTouchDevice=function(){return!!("ontouchstart"in window||window.DocumentTouch&&document instanceof DocumentTouch)},this.add=function(A){var e,t,i,n,o,s,a,r,c,h,l,u,d=[];if(f(this.options),"touch"===(l=this.options.visible)&&(l=this.isTouchDevice()?"always":"hover"),A||(A="h2, h3, h4, h5, h6"),0===(e=p(A)).length)return this;for(function(){if(null===document.head.querySelector("style.anchorjs")){var A,e=document.createElement("style");e.className="anchorjs",e.appendChild(document.createTextNode("")),void 0===(A=document.head.querySelector('[rel="stylesheet"], style'))?document.head.appendChild(e):document.head.insertBefore(e,A),e.sheet.insertRule(" .anchorjs-link { opacity: 0; text-decoration: none; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }",e.sheet.cssRules.length),e.sheet.insertRule(" *:hover > .anchorjs-link, .anchorjs-link:focus { opacity: 1; }",e.sheet.cssRules.length),e.sheet.insertRule(" [data-anchorjs-icon]::after { content: attr(data-anchorjs-icon); }",e.sheet.cssRules.length),e.sheet.insertRule(' @font-face { font-family: "anchorjs-icons"; src: url(data:n/a;base64,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) format("truetype"); }',e.sheet.cssRules.length)}}(),t=document.querySelectorAll("[id]"),i=[].map.call(t,function(A){return A.id}),o=0;o<e.length;o++)if(this.hasAnchorJSLink(e[o]))d.push(o);else{if(e[o].hasAttribute("id"))n=e[o].getAttribute("id");else if(e[o].hasAttribute("data-anchor-id"))n=e[o].getAttribute("data-anchor-id");else{for(c=r=this.urlify(e[o].textContent),a=0;void 0!==s&&(c=r+"-"+a),a+=1,-1!==(s=i.indexOf(c)););s=void 0,i.push(c),e[o].setAttribute("id",c),n=c}n.replace(/-/g," "),(h=document.createElement("a")).className="anchorjs-link "+this.options.class,h.setAttribute("aria-label",this.options.ariaLabel),h.setAttribute("data-anchorjs-icon",this.options.icon),this.options.titleText&&(h.title=this.options.titleText),u=document.querySelector("base")?window.location.pathname+window.location.search:"",u=this.options.base||u,h.href=u+"#"+n,"always"===l&&(h.style.opacity="1"),""===this.options.icon&&(h.style.font="1em/1 anchorjs-icons","left"===this.options.placement&&(h.style.lineHeight="inherit")),"left"===this.options.placement?(h.style.position="absolute",h.style.marginLeft="-1em",h.style.paddingRight="0.5em",e[o].insertBefore(h,e[o].firstChild)):(h.style.paddingLeft="0.375em",e[o].appendChild(h))}for(o=0;o<d.length;o++)e.splice(d[o]-o,1);return this.elements=this.elements.concat(e),this},this.remove=function(A){for(var e,t,i=p(A),n=0;n<i.length;n++)(t=i[n].querySelector(".anchorjs-link"))&&(-1!==(e=this.elements.indexOf(i[n]))&&this.elements.splice(e,1),i[n].removeChild(t));return this},this.removeAll=function(){this.remove(this.elements)},this.urlify=function(A){return this.options.truncate||f(this.options),A.trim().replace(/\'/gi,"").replace(/[& +$,:;=?@"#{}|^~[`%!'<>\]\.\/\(\)\*\\\n\t\b\v]/g,"-").replace(/-{2,}/g,"-").substring(0,this.options.truncate).replace(/^-+|-+$/gm,"").toLowerCase()},this.hasAnchorJSLink=function(A){var e=A.firstChild&&-1<(" "+A.firstChild.className+" ").indexOf(" anchorjs-link "),t=A.lastChild&&-1<(" "+A.lastChild.className+" ").indexOf(" anchorjs-link ");return e||t||!1}}});
</script>
</head>
<body>
<header>
<!--#include virtual="/includes/promotion_banner.html" -->
<div class="container">
<button type='button' class='menu' title='Docs menu'>
<img src="/assets/images/menu-icon.svg" width="18" height="12" alt="menu icon" />
</button>
<div class='home'>
<a href="/" class='home' title='Apache Ignite home'>
<img src="/assets/images/apache_ignite_logo.svg" alt="Apache Ignite logo" width="103" height="36" >
</a>
</div>
<select id="version-selector">
<option value="3.0.0-beta">3.0.0-beta</option>
</select>
<nav id="api-docs"><ul>
<li><a href="#">APIs</a>
<nav class='dropdown'>
<ul>
<li class="dropdown-item"><a href="/releases/latest/javadoc/index.html">Java</a></li>
<li class="dropdown-item"><a href="/releases/latest/dotnetdoc/api/">C#/.NET</a></li>
<li class="dropdown-item"><a href="/releases/latest/cppdoc/index.html">C++</a></li>
</ul>
</nav>
</li>
<li><a href="#">Examples</a>
<nav class="dropdown">
<ul>
<li class="dropdown-item"><a href="https://github.com/apache/ignite/tree/master/examples" target="_blank" rel="noopener" title="Apache Ignite Java examples">Java</a></li>
<li class="dropdown-item"><a href="https://github.com/apache/ignite/tree/master/modules/platforms/dotnet/examples" target="_blank" rel="noopener" title="Apache Ignite C#/.NET examples">C#/.NET</a></li>
<li class="dropdown-item"><a href="https://github.com/apache/ignite/tree/master/modules/platforms/cpp/examples" target="_blank" rel="noopener" title="Apache Ignite C++ examples">C++</a></li>
<li class="dropdown-item"><a href="https://github.com/apache/ignite/tree/master/modules/platforms/python/examples" target="_blank" rel="noopener" title="Apache Ignite Python examples">Python</a></li>
<li class="dropdown-item"><a href="https://github.com/apache/ignite/tree/master/modules/platforms/nodejs/examples" target="_blank" rel="noopener" title="Apache Ignite NodeJS examples">NodeJS</a></li>
<li class="dropdown-item"><a href="https://github.com/apache/ignite/tree/master/modules/platforms/php/examples" target="_blank" rel="noopener" title="Apache Ignite PHP examples">PHP</a></li>
</ul>
</nav>
</li></ul>
</nav>
<form class='search'>
<button class="search-close" type='button'><img src='/assets/images/cancel.svg' alt="close" width="10" height="10" /></button>
<input type="search" placeholder="Search…" id="search-input">
</form>
<nav id="lang-selector"><ul>
<li><a href="#"><img src="/assets/images/icon_lang_en_75x75.jpg" alt="English language icon" width="25" height="25" /><span>▼</span></a>
<nav class="dropdown">
<li class="dropdown-item"><a href="/docs/latest/" ><img src="/assets/images/icon_lang_en_75x75.jpg" alt="English language icon" width="25" height="25" /><span>English</span></a></li>
<li class="dropdown-item"><a href="https://www.ignite-service.cn/doc/java/" target="_blank" rel="noopener"><img src="/assets/images/icon_lang_cn_75x75.jpg" width="25" height="25" alt="Chinese language icon" /><span>Chinese</span></a></li>
</nav>
</li></ul>
</nav>
<button type='button' class='top-nav-toggle'>⋮</button>
</div>
</header>
<link rel="stylesheet" href="/assets/css/docs.css">
<section class='page-docs'>
<nav class='left-nav' data-swiftype-index='false'>
<li>
<a href="/docs/3.0.0-beta/index" class='' >About Apache Ignite 3</a>
</li>
<li>
<a href="/docs/3.0.0-beta/quick-start/getting-started-guide" class='' >Getting Started Guide</a>
</li>
<li>
<button type='button' class='group-toggle collapsed '>Installation<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group collapsed'>
<li>
<a href="/docs/3.0.0-beta/installation/installing-using-zip"
class=''
>Installing Using ZIP Archive</a>
</li>
<li>
<a href="/docs/3.0.0-beta/installation/installing-using-docker"
class=''
>Installing Using Docker</a>
</li>
<li>
<a href="/docs/3.0.0-beta/installation/deb-rpm"
class=''
>Installing DEB or RPM package</a>
</li>
</nav>
</li>
<li>
<a href="/docs/3.0.0-beta/ignite-cli-tool" class='' >Ignite CLI Tool</a>
</li>
<li>
<button type='button' class='group-toggle collapsed '>Working with SQL<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group collapsed'>
<li>
<a href="/docs/3.0.0-beta/sql/calcite-based-sql-engine"
class=''
>Introduction</a>
</li>
<li>
<a href="/docs/3.0.0-beta/sql/jdbc-driver"
class=''
>JDBC Driver</a>
</li>
<li>
<button
type='button'
class='collapsed '>ODBC Driver<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class="sub_pages collapsed">
<li><a href="/docs/3.0.0-beta/sql/odbc/odbc-driver" class=''>ODBC Driver</a></li>
<li><a href="/docs/3.0.0-beta/sql/odbc/connection-string" class=''>Connection String</a></li>
<li><a href="/docs/3.0.0-beta/sql/odbc/querying-modifying-data" class=''>Querying and Modifying Data</a></li>
</nav>
</li>
<li>
<a href="/docs/3.0.0-beta/sql/java"
class=''
>Java API</a>
</li>
</nav>
</li>
<li>
<button type='button' class='group-toggle expanded '>SQL Reference<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group expanded'>
<li>
<a href="/docs/3.0.0-beta/sql-reference/ddl"
class=''
>Data Definition Language (DDL)</a>
</li>
<li>
<a href="/docs/3.0.0-beta/sql-reference/dml"
class=''
>Data Manipulation Language (DML)</a>
</li>
<li>
<a href="/docs/3.0.0-beta/sql-reference/distribution-zones"
class='active'
>Distribution Zones</a>
</li>
<li>
<a href="/docs/3.0.0-beta/sql-reference/operators-and-functions"
class=''
>Supported Operators and Functions</a>
</li>
</nav>
</li>
<li>
<button type='button' class='group-toggle collapsed '>REST<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group collapsed'>
<li>
<a href="/docs/3.0.0-beta/rest/rest-api"
class=''
>Overview</a>
</li>
<li>
<a href="/docs/3.0.0-beta/rest/reference"
class=''
>Reference</a>
</li>
</nav>
</li>
<li>
<button type='button' class='group-toggle collapsed '>Clients & Drivers<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group collapsed'>
<li>
<a href="/docs/3.0.0-beta/thin-clients/index"
class=''
>Ignite Clients</a>
</li>
<li>
<a href="/docs/3.0.0-beta/thin-clients/linq"
class=''
>.NET LINQ Queries</a>
</li>
</nav>
</li>
<li>
<a href="/docs/3.0.0-beta/compute/compute" class='' >Distributed Computing</a>
</li>
<li>
<a href="/docs/3.0.0-beta/config/data-region" class='' >Data Region Configuration</a>
</li>
<li>
<button type='button' class='group-toggle collapsed '>Storage Configuration<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group collapsed'>
<li>
<a href="/docs/3.0.0-beta/storage/persistent"
class=''
>Native Persistent Storage</a>
</li>
<li>
<a href="/docs/3.0.0-beta/storage/rocksdb"
class=''
>RocksDB Persistent Storage</a>
</li>
<li>
<a href="/docs/3.0.0-beta/storage/volatile"
class=''
>Volatile Storage</a>
</li>
</nav>
</li>
<li>
<a href="/docs/3.0.0-beta/binary-protocol" class='' >Binary Client Protocol</a>
</li>
<li>
<a href="/docs/3.0.0-beta/ssl-tls" class='' >SSL/TLS</a>
</li>
<li>
<a href="/docs/3.0.0-beta/rebalance" class='' >Data Rebalancing</a>
</li>
<li>
<a href="/docs/3.0.0-beta/transactions/performing-transactions" class='' >Performing Transactions</a>
</li>
<li>
<a href="/docs/3.0.0-beta/table-views" class='' >Table Views</a>
</li>
<li>
<a href="/docs/3.0.0-beta/handling-exceptions" class='' >Handling Exceptions</a>
</li>
<li>
<a href="/docs/3.0.0-beta/glossary/glossary" class='' >Glossary</a>
</li>
</nav>
<div class="left-nav__overlay"></div>
<article data-swiftype-index='true'>
<a class='edit-link' href="https://github.com/apache/ignite-3/tree/main/docs/_docs/sql-reference/distribution-zones.adoc" target="_blank">Edit</a>
<h1>Distribution Zones</h1>
<div id="preamble">
<div class="sectionbody">
<div class="paragraph">
<p>This section describes Apache Ignite distribution zones. In Ignite 3, you can fine tune distribution of your partitions on nodes for better performance and stability.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="create-zone">CREATE ZONE</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Creates a new distribution zone.</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="sql"><span class="k">CREATE</span> <span class="k">ZONE</span> <span class="p">[</span><span class="n">IF</span> <span class="k">NOT</span> <span class="k">EXISTS</span><span class="p">]</span> <span class="n">qualified_zone_name</span> <span class="p">[</span><span class="n">ENGINE</span> <span class="n">engine_name</span><span class="p">]</span>
<span class="p">[</span><span class="k">WITH</span>
<span class="p">[</span><span class="n">PARTITIONS</span> <span class="o">=</span> <span class="n">partitionNumber</span><span class="p">],</span>
<span class="p">[</span><span class="n">REPLICAS</span> <span class="o">=</span> <span class="n">replicaNumber</span><span class="p">],</span>
<span class="p">{[</span><span class="n">DATA_NODES_AUTO_ADJUST_SCALE_UP</span> <span class="o">=</span> <span class="n">scale_up_value</span> <span class="o">|</span>
<span class="n">DATA_NODES_AUTO_ADJUST_SCALE_DOWN</span> <span class="o">=</span> <span class="n">scale_down_value</span> <span class="o">|</span>
<span class="p">(</span><span class="n">DATA_NODES_AUTO_ADJUST_SCALE_UP</span> <span class="o">=</span> <span class="n">scale_up_value</span> <span class="o">&amp;</span> <span class="n">DATA_NODES_AUTO_ADJUST_SCALE_DOWN</span> <span class="o">=</span> <span class="n">scale_down_value</span><span class="p">)]},</span>
<span class="p">[</span><span class="n">DATA_NODES_FILTER</span> <span class="o">=</span> <span class="n">jsonPathFilter</span><span class="p">]</span>
<span class="p">]</span>
<span class="p">[;]</span></code></pre>
</div>
</div>
<div class="paragraph">
<p>Parameters:</p>
</div>
<div class="ulist">
<ul>
<li>
<p><code>qualified_zone_name</code> - name of the distribution zone. Can be schema-qualified.</p>
</li>
<li>
<p><code>IF NOT EXISTS</code> - create a zone only if a different zone with the same name does not exist.</p>
</li>
<li>
<p><code>ENGINE</code> - selects the storage engine to use. Currently <code>aipersist</code>, <code>aimem</code> and <code>rocksdb</code> are available.</p>
</li>
<li>
<p><code>WITH</code> - accepts the following additional parameters:</p>
<div class="ulist">
<ul>
<li>
<p><code>PARTITIONS</code> - the number of parts data is divinded into. Partitions are then split between nodes for storage.</p>
</li>
<li>
<p><code>REPLICAS</code> - the number of copies of each partition.</p>
</li>
<li>
<p><code>DATA_NODES_AUTO_ADJUST_SCALE_UP</code> - the delay in seconds between the new node joining and the start of data zone adjustment.</p>
</li>
<li>
<p><code>DATA_NODES_AUTO_ADJUST_SCALE_DOWN</code> - the delay in seconds between the node leaving the cluster and the start of data zone adjustment.</p>
</li>
<li>
<p><code>DATA_NODES_FILTER</code> - specifies the nodes that can be used to store data in the distribution zone based on node attributes. You can configure node attributes by using cli. Filter uses JSONPath rules. If the attribute is not found, all negative comparisons will be valid. For example, <code>$[?(@.storage != 'SSD']}</code> will also include nodes without the <code>storage</code> attribute specified.</p>
</li>
</ul>
</div>
</li>
</ul>
</div>
<div class="paragraph">
<p>Examples:</p>
</div>
<div class="paragraph">
<p>Creates an <code>exampleZone</code> distribution zone:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="sql"><span class="k">CREATE</span> <span class="k">ZONE</span> <span class="n">IF</span> <span class="k">NOT</span> <span class="k">EXISTS</span> <span class="n">exampleZone</span></code></pre>
</div>
</div>
<div class="paragraph">
<p>Creates an <code>exampleZone</code> distribution zone that will only use nodes with SSD attribute and adjust 300 seconds after cluster topology changes:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="sql"><span class="k">CREATE</span> <span class="k">ZONE</span> <span class="n">IF</span> <span class="k">NOT</span> <span class="k">EXISTS</span> <span class="n">exampleZone</span> <span class="k">WITH</span> <span class="n">DATA_NODES_FILTER</span><span class="o">=</span><span class="nv">"$[?(@.storage == 'SSD')]"</span><span class="p">,</span> <span class="n">DATA_NODES_AUTO_ADJUST</span><span class="o">=</span><span class="mi">300</span></code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="alter-zone">ALTER ZONE</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Renames a distribution zone.</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="sql"><span class="k">ALTER</span> <span class="k">ZONE</span> <span class="n">IF</span> <span class="k">EXISTS</span> <span class="p">{</span> <span class="s1">'qualified_zone_name'</span> <span class="p">}</span> <span class="p">[</span><span class="k">RENAME</span> <span class="k">TO</span> <span class="p">{</span><span class="n">new_qualified_zone_name</span><span class="p">}]</span>
<span class="p">[</span><span class="k">WITH</span>
<span class="p">[</span><span class="n">PARTITIONS</span> <span class="o">=</span> <span class="n">partitionNumber</span><span class="p">],</span>
<span class="p">[</span><span class="n">REPLICAS</span> <span class="o">=</span> <span class="n">replicaNumber</span><span class="p">],</span>
<span class="p">{[</span><span class="n">DATA_NODES_AUTO_ADJUST_SCALE_UP</span> <span class="o">=</span> <span class="n">scale_up_value</span> <span class="o">|</span>
<span class="n">DATA_NODES_AUTO_ADJUST_SCALE_DOWN</span> <span class="o">=</span> <span class="n">scale_down_value</span> <span class="o">|</span>
<span class="p">(</span><span class="n">DATA_NODES_AUTO_ADJUST_SCALE_UP</span> <span class="o">=</span> <span class="n">scale_up_value</span> <span class="o">&amp;</span> <span class="n">DATA_NODES_AUTO_ADJUST_SCALE_DOWN</span> <span class="o">=</span> <span class="n">scale_down_value</span><span class="p">)]},</span>
<span class="p">[</span><span class="n">DATA_NODES_FILTER</span> <span class="o">=</span> <span class="n">jsonPathFilter</span><span class="p">]</span>
<span class="p">]</span>
<span class="p">[;]</span></code></pre>
</div>
</div>
<div class="paragraph">
<p>Parameters:</p>
</div>
<div class="ulist">
<ul>
<li>
<p><code>qualified_zone_name</code> - name of the distribution zone. Can be schema-qualified.</p>
</li>
<li>
<p><code>IF EXISTS</code> - do not throw an error if a zone with the specified name does not exist.</p>
</li>
<li>
<p><code>WITH</code> - accepts the following additional parameters:</p>
<div class="ulist">
<ul>
<li>
<p><code>PARTITIONS</code> - the number of parts data is divinded into. Partitions are then split between nodes for storage.</p>
</li>
<li>
<p><code>REPLICAS</code> - the number of copies of each partition.</p>
</li>
<li>
<p><code>DATA_NODES_AUTO_ADJUST_SCALE_UP</code> - the delay in seconds between the new node joining and the start of data zone adjustment.</p>
</li>
<li>
<p><code>DATA_NODES_AUTO_ADJUST_SCALE_DOWN</code> - the delay in seconds between the node leaving the cluster and the start of data zone adjustment.</p>
</li>
<li>
<p><code>DATA_NODES_FILTER</code> - specifies the nodes that can be used to store data in the distribution zone based on node attributes.</p>
</li>
</ul>
</div>
</li>
</ul>
</div>
</div>
</div>
<div class="sect1">
<h2 id="drop-zone">DROP ZONE</h2>
<div class="sectionbody">
<div class="paragraph">
<p>The <code>DROP ZONE</code> command drops an existing distribution zone.</p>
</div>
<div class="listingblock">
<div class="content">
<pre>DROP ZONE IF EXISTS qualified_zone_name</pre>
</div>
</div>
<div class="paragraph">
<p>Parameters:</p>
</div>
<div class="ulist">
<ul>
<li>
<p><code>IF EXISTS</code> - do not throw an error if a zone with the specified name does not exist.</p>
</li>
<li>
<p><code>qualified_zone_name</code> - the name of the distribution zone. Can be schema-qualified.</p>
</li>
</ul>
</div>
<div class="paragraph">
<p>Examples:</p>
</div>
<div class="paragraph">
<p>Drop Person table if the one exists:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="sql"><span class="k">DROP</span> <span class="k">ZONE</span> <span class="n">IF</span> <span class="k">EXISTS</span> <span class="n">exampleZone</span></code></pre>
</div>
</div>
</div>
</div>
<div class="copyright">
© 2024 The Apache Software Foundation.<br/>
Apache, Apache Ignite, the Apache feather and the Apache Ignite logo are either registered trademarks or trademarks of The Apache Software Foundation.
</div>
</article>
<nav class="right-nav" data-swiftype-index='false'>
<div class="toc-wrapper">
<ul class="sectlevel1">
<li><a href="#create-zone">CREATE ZONE</a></li>
<li><a href="#alter-zone">ALTER ZONE</a></li>
<li><a href="#drop-zone">DROP ZONE</a></li>
</ul>
</div>
<nav class="promo-nav">
<!--#include virtual="/includes/docs_rightnav_promotion.html" -->
<a href="#" data-trigger-bugyard-feedback="true" id="doc-feedback-btn">Docs Feedback</a>
</nav>
</nav>
</section>
<script type='module' src='/assets/js/code-copy-to-clipboard.js' async crossorigin></script>
<script>
// inits deep anchors -- needs to be done here because of https://www.bryanbraun.com/anchorjs/#dont-run-it-too-late
anchors.add('.page-docs h1, .page-docs h2, .page-docs h3:not(.discrete), .page-docs h4, .page-docs h5');
anchors.options = {
placement: 'right',
visible: 'always'
};
</script>
<script src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
<script>
docsearch({
// Your apiKey and indexName will be given to you once
// we create your config
apiKey: '9ee37627b9bdf4b39d6b3aa20452a779',
appId: 'DAYEVYFD60',
indexName: 'apache_ignite',
// Replace inputSelector with a CSS selector
// matching your search input
inputSelector: '#search-input',
// algoliaOptions: { 'facetFilters': ["version:$VERSION"] },
// Set debug to true to inspect the dropdown
debug: false,
});
</script>
<script type='module' src='/assets/js/index.js?1708608103' async crossorigin></script>
<script type='module' src='/assets/js/versioning.js?1708608103' async crossorigin></script>
<script type='module' src='/assets/js/railroad-diagram.js?1708608103' async></script>
<link rel="stylesheet" href="/assets/css/styles.css?1708608103" media="print" onload="this.media='all'">
<noscript><link media="all" rel="stylesheet" href="/assets/css/styles.css?1708608103"></noscript>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css" media="print" onload="this.media='all'">
<noscript><link media="all" rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css"></noscript>
</body>
</html>