{"id":41906,"date":"2024-05-22T10:40:57","date_gmt":"2024-05-22T10:40:57","guid":{"rendered":"https:\/\/accuweb.cloud\/resource\/?post_type=faq&#038;p=41906"},"modified":"2026-02-19T05:15:57","modified_gmt":"2026-02-19T05:15:57","slug":"cli-server-scaling","status":"publish","type":"faq","link":"https:\/\/accuweb.cloud\/resource\/articles\/cli-server-scaling","title":{"rendered":"CLI Tutorial: Server Scaling"},"content":{"rendered":"<h2 class=\"ack-h2\">CLI Tutorial: Server Scaling<\/h2>\n<p>Sometimes, after setting up the environment, you might need to change its topology. For instance, you might want to expand a specific server or the entire setup to handle increased traffic. This can be done using the appropriate <strong>changetopology<\/strong> CLI method:<\/p>\n<pre><code class=\"language-javascript\">\r\n~\/jelastic\/environment\/control\/changetopology --envName {env_name} --env '{\"engine\" : \"{engine_type}\"}' --nodes ['{\"nodeType\" : \"{node_type}\",\"count\" : {nodes_amount}, \"fixedCloudlets\" : {cloudlets_amount}, \"flexibleCloudlets\" : {cloudlets_amount}}, {\"nodeType\" : \"{node_type}\", \"count\" : {nodes_amount}, \"fixedCloudlets\" : {cloudlets_amount}, \"flexibleCloudlets\" : {cloudlets_amount}}']<\/code><\/pre>\n<div class=\"article-extra-space\"><\/div>\n<p><a href=\"https:\/\/accuweb.cloud\/resource\/wp-content\/uploads\/2024\/05\/Server-Scaling.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\"ack-article-image aligncenter wp-image-41908 size-full\" title=\"Server Scaling\" src=\"https:\/\/accuweb.cloud\/resource\/wp-content\/uploads\/2024\/05\/Server-Scaling.png\" alt=\"Server Scaling\" width=\"780\" height=\"100\" srcset=\"https:\/\/accuweb.cloud\/resource\/wp-content\/uploads\/2024\/05\/Server-Scaling.png 780w, https:\/\/accuweb.cloud\/resource\/wp-content\/uploads\/2024\/05\/Server-Scaling-300x38.png 300w, https:\/\/accuweb.cloud\/resource\/wp-content\/uploads\/2024\/05\/Server-Scaling-768x98.png 768w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/a><\/p>\n<p>The parameters for the createenvironment method remain consistent across the board, save for one exception \u2013 the \u2013envName {env_name} argument. Here, it serves the purpose of indicating an existing environment that requires adjustments.<\/p>\n<p>In this example, let&#8217;s talk about the other choices:<\/p>\n<ul class=\"ack-ul\">\n<li><strong>{engine_type}<\/strong> &#8211; This is the type of engine that runs the instances of the environment you&#8217;ve chosen. It&#8217;s a must-fill string.<\/li>\n<li><strong>{node_type}<\/strong> &#8211; This is an identifier for the type of stack you&#8217;re using, picked from a list.<\/li>\n<li><strong>{nodes_amount}<\/strong> &#8211; This tells you how many nodes you want to set up. It&#8217;s for scaling horizontally.<\/li>\n<li><strong>{cloudlets_amount}<\/strong> &#8211; This is about the number of cloudlets, both fixed and flexible, that you&#8217;re allocating for the specific node type. It&#8217;s for scaling vertically.<\/li>\n<\/ul>\n<div class=\"ack-formula\">\n<strong>Note:<\/strong> Make sure to include a load balancing node in your environment setup ahead of time if you want your horizontally scaled application server to function smoothly.<\/div>\n<div class=\"article-space\"><\/div>\n<p>Changing the setup of the environment might require a few minutes to complete.<\/p>\n<div class=\"cta-btn-top-space\"><\/div>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"38668\" class=\"elementor elementor-38668\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"elementor_library\">\n\t\t\t        <section class=\"elementor-section elementor-top-section elementor-element elementor-element-882321f elementor-section-boxed elementor-section-height-default elementor-section-height-default ct-header-fixed-none ct-row-max-none\" data-id=\"882321f\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n            \n                        <div class=\"elementor-container elementor-column-gap-default \">\n                    <div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7cc79cc\" data-id=\"7cc79cc\" data-element_type=\"column\">\n        <div class=\"elementor-widget-wrap elementor-element-populated\">\n                    \n        \t\t<div class=\"elementor-element elementor-element-e31b40f elementor-widget elementor-widget-shortcode\" data-id=\"e31b40f\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t            <\/div>\n        <\/div>\n                    <\/div>\n        <\/section>\n        \t\t<\/div>\n\t\t\n<div class=\"cta-btn-bottom-space\"><\/div>\n","protected":false},"author":1,"featured_media":52879,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","class_list":["post-41906","faq","type-faq","status-publish","has-post-thumbnail","hentry","faq_topics-api-cli","faq_topics-development-tools","faq_topics-kb","faq_topics-platform-cli","faq_topics-product-documentation","faq_topics-server-scaling"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.10 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Server Scaling Using CLI | AccuWeb.Cloud<\/title>\n<meta name=\"description\" content=\"Discover how to scale the environment OR server using the Command line interface with our easy guide and scale your applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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