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| <li><a href="/che/docs/che-7/removing-user-data">Removing user data</a></li> |
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| </ul> |
| </li> |
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| <li> |
| |
| <a href="#" class="expandable">Securing Che</a> |
| |
| <ul> |
| |
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| <li><a href="/che/docs/che-7/securing-che">Overview</a></li> |
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| <li><a href="/che/docs/che-7/authenticating-users">Authenticating users</a></li> |
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| <li><a href="/che/docs/che-7/authorizing-users">Authorizing users</a></li> |
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| </ul> |
| </li> |
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| <li> |
| |
| <a href="#" class="expandable">Backup and disaster recovery</a> |
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| <ul> |
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| <li><a href="/che/docs/che-7/backup-and-disaster-recovery">Overview</a></li> |
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| <li><a href="/che/docs/che-7/external-database-setup">External database setup</a></li> |
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| <li><a href="/che/docs/che-7/persistent-volumes-backups">Persistent Volumes backups</a></li> |
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| </ul> |
| </li> |
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| <li> |
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| <a href="/che/docs/che-7/calculating-che-resource-requirements">Calculating Che resource requirements</a> |
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| <ul> |
| |
| </ul> |
| </li> |
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| <li> |
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| <a href="/che/docs/che-7/caching-images-for-faster-workspace-start">Caching images for faster workspace start</a> |
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| <ul> |
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| </ul> |
| </li> |
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| <div class="sidebarSubtitle">Contributor Guide</div> |
| |
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| <li> |
| |
| <a href="/che/docs/che-7/installing-che-in-tls-mode-with-self-signed-certificates">Installing Che in TLS mode with self-signed certificates</a> |
| |
| <ul> |
| |
| </ul> |
| </li> |
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| <li> |
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| <a href="/che/docs/che-7/branding-che-theia">Branding Che-Theia</a> |
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| <ul> |
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| </ul> |
| </li> |
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| <li> |
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| <a href="/che/docs/che-7/developing-che-theia-plug-ins">Developing Che-Theia plug-ins</a> |
| |
| <ul> |
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| </ul> |
| </li> |
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| <li> |
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| <a href="/che/docs/che-7/testing-che-theia-plug-ins">Testing Che-Theia plug-ins</a> |
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| <ul> |
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| </ul> |
| </li> |
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| <li> |
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| <a href="/che/docs/che-7/publishing-che-theia-plug-ins">Publishing Che-Theia plug-ins</a> |
| |
| <ul> |
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| </ul> |
| </li> |
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| <li> |
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| <a href="/che/docs/che-7/adding-support-for-a-new-language">Adding support for a new language</a> |
| |
| <ul> |
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| </ul> |
| </li> |
| |
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| <li> |
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| <a href="/che/docs/che-7/adding-support-for-a-new-debugger">Adding support for a new debugger</a> |
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| <ul> |
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| </ul> |
| </li> |
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| <li> |
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| <a href="#" class="expandable">Che extensibility reference</a> |
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| <ul> |
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| <li><a href="/che/docs/che-7/che-extensibility-reference">Overview</a></li> |
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| <li><a href="/che/docs/che-7/che-extension-points">Che extension points</a></li> |
| |
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| <li><a href="/che/docs/che-7/che-theia-plug-in-api">Che-Theia plug-in API</a></li> |
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| <li><a href="/che/docs/che-7/debug-adapter-protocol">Debug Adapter Protocol</a></li> |
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| <li><a href="/che/docs/che-7/language-server-protocol">Language Server Protocol</a></li> |
| |
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| </ul> |
| </li> |
| |
| |
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| <div class="sidebarSubtitle">Extensions</div> |
| |
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| <li> |
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| <a href="/che/docs/che-7/eclipse-che4z">Eclipse Che4z</a> |
| |
| <ul> |
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| </ul> |
| </li> |
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| <li> |
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| <a href="#" class="expandable">OpenShift Connector</a> |
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| <ul> |
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| <li><a href="/che/docs/che-7/openshift-connector-overview">Overview</a></li> |
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| <li><a href="/che/docs/che-7/features-of-openshift-connector">Features of OpenShift Connector</a></li> |
| |
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| <li><a href="/che/docs/che-7/installing-openshift-connector-in-eclipse-che">Installing OpenShift Connector in Eclipse Che</a></li> |
| |
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| <li><a href="/che/docs/che-7/authenticating-with-openshift-connector-from-eclipse-che">Authenticating with OpenShift Connector from Eclipse Che</a></li> |
| |
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| <li><a href="/che/docs/che-7/creating-components-with-openshift-connector-in-eclipse-che">Creating Components with OpenShift Connector in Eclipse Che</a></li> |
| |
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| <li><a href="/che/docs/che-7/connecting-source-code-from-github-to-a-openshift-component-using-openshift-connector">Connecting source code from GitHub to a OpenShift Component</a></li> |
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| </ul> |
| </li> |
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| <h1 class="post-title-main">Calculating Che resource requirements</h1> |
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| <div class="post-content"> |
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| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This section describes how to calculate resources (memory and CPU) required to run Eclipse Che.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="che-architectural-components_calculating-che-resource-requirements">Che architectural components</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>As illustrated in the <a href="/che/docs/che-7/high-level-che-architecture">High-level Che architecture</a> article, Eclipse Che components are:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>A central workspace controller: an always running service that manages users workspaces</p> |
| </li> |
| <li> |
| <p>Users workspaces: container-based IDEs that the controller stops when the user stops coding.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="imageblock"> |
| <div class="content"> |
| <img src="/che/docs/images/architecture/che-high-level.png" alt="che high level"> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Both the Che central controller and user workspaces consist of a set of containers. Those containers contribute to the resources consumption in terms of CPU and RAM limits and requests. For a detailed explanation of how Kubernetes manages container-resource requests and limits, see <a href="https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/">Kubernetes documentation</a>.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="controller-requirements_calculating-che-resource-requirements">Controller requirements</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>The Workspace Controller consists of a set of five services running in five distinct containers. The following table presents the default resource requirements of each of these services.</p> |
| </div> |
| <table class="tableblock frame-all grid-all stretch"> |
| <caption class="title">Table 1. ControllerServices</caption> |
| <colgroup> |
| <col style="width: 33.3333%;"> |
| <col style="width: 33.3333%;"> |
| <col style="width: 16.6666%;"> |
| <col style="width: 16.6668%;"> |
| </colgroup> |
| <thead> |
| <tr> |
| <th class="tableblock halign-left valign-top">Pod</th> |
| <th class="tableblock halign-left valign-top">Container name</th> |
| <th class="tableblock halign-left valign-top">Default memory limit</th> |
| <th class="tableblock halign-left valign-top">Default memory request</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Che Server and Dashboard</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">che</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">1 GiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">PostgreSQL</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">postgres</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">1 GiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Keycloak</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">keycloak</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">2 GiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Devfile registry</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">che-devfile-registry</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">256 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">16 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Plug-in registry</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">che-plugin-registry</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">256 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">16 MiB</p></td> |
| </tr> |
| </tbody> |
| </table> |
| <div class="paragraph"> |
| <p>These default values are sufficient when the Che Workspace Controller manages a small amount of Che workspaces. For larger deployments, increase the memory limit. See the <a href="/che/docs/che-7/advanced-configuration-options">Advanced configurations options</a> article for instructions on how to override the default requests and limits. For example, the hosted version of Che that runs on <a href="https://che.openshift.io">che.openshift.io</a> uses 4 GiB of memory.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="workspaces-requirements_calculating-che-resource-requirements">Workspaces requirements</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This section describes how to calculate the resources required for a workspace. It is the sum of the resources required for each component of this workspace.</p> |
| </div> |
| <div class="paragraph"> |
| <p>These examples demonstrate the necessity of a proper calculation:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>A workspace with 10 active plug-ins requires more resources then the same workspace with fewer plug-ins.</p> |
| </li> |
| <li> |
| <p>A standard Java workspace requires more resources than a standard Node.js workspace because running builds, tests, and application debugging requires more resources.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="olist arabic"> |
| <div class="title">Procedure</div> |
| <ol class="arabic"> |
| <li> |
| <p>Identify the workspace components explicitly specified in the <code>components</code> section of the <a href="/che/docs/che-7/making-a-workspace-portable-using-a-devfile">devfile</a>.</p> |
| </li> |
| <li> |
| <p>Identify the implicit workspace components:</p> |
| <div class="olist loweralpha"> |
| <ol class="loweralpha" type="a"> |
| <li> |
| <p>Che implicitly loads the default <code>cheEditor</code>: <code>che-theia</code>, and the <code>chePlugin</code> that allows commands execution: <code>che-machine-exec-plugin</code>. To change the default editor, add a <code>cheEditor</code> component section in the devfile.</p> |
| </li> |
| <li> |
| <p>When Che is running in multiuser mode, it loads the <code>JWT Proxy</code> component. The <a href="/che/docs/che-7/authenticating-users/#machine-token-validation_authenticating-in-a-che-workspace">JWT Proxy</a> is responsible for the authentication and authorization of the external communications of the workspace components.</p> |
| </li> |
| </ol> |
| </div> |
| </li> |
| <li> |
| <p>Calculate the requirements for each component:</p> |
| <div class="olist loweralpha"> |
| <ol class="loweralpha" type="a"> |
| <li> |
| <p>Default values:</p> |
| <div class="paragraph"> |
| <p>The following table presents the default requirements for all workspace components. It also presents the corresponding Che server property to modify the defaults cluster-wide.</p> |
| </div> |
| <table class="tableblock frame-all grid-all stretch"> |
| <caption class="title">Table 2. Default requirements of workspace components by type</caption> |
| <colgroup> |
| <col style="width: 42.8571%;"> |
| <col style="width: 28.5714%;"> |
| <col style="width: 14.2857%;"> |
| <col style="width: 14.2858%;"> |
| </colgroup> |
| <thead> |
| <tr> |
| <th class="tableblock halign-left valign-top">Component types</th> |
| <th class="tableblock halign-left valign-top">Che server property</th> |
| <th class="tableblock halign-left valign-top">Default memory limit</th> |
| <th class="tableblock halign-left valign-top">Default memory request</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>chePlugin</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>che.workspace.sidecar.default_memory_limit_mb</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>cheEditor</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>che.workspace.sidecar.default_memory_limit_mb</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>kubernetes</code>, <code>openshift</code>, <code>dockerimage</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>che.workspace.default_memory_limit_mb</code>, <code>che.workspace.default_memory_request_mb</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">1 Gi</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>JWT Proxy</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>che.server.secure_exposer.jwtproxy.memory_limit</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li> |
| <p>Custom requirements for <code>chePlugins</code> and <code>cheEditors</code> components:</p> |
| <div class="olist lowerroman"> |
| <ol class="lowerroman" type="i"> |
| <li> |
| <p>Custom memory limit and request:</p> |
| <div class="paragraph"> |
| <p>If present, the <code>memoryLimit</code> attribute of the <code>containers</code> section of the <code>meta.yaml</code> file defines the memory limit of a <code>chePlugins</code> or <code>cheEditors</code> component. Che automatically sets the memory request to match the memory limit. There is no attribute in a <code>meta.yaml</code> file to set the memory request.</p> |
| </div> |
| <div class="exampleblock"> |
| <div class="title">Example 1. The <code>chePlugin</code> <code>che-incubator/typescript/latest</code></div> |
| <div class="content"> |
| <div class="listingblock"> |
| <div class="title"><code>meta.yaml</code> spec section:</div> |
| <div class="content"> |
| <pre class="CodeRay highlight"><code data-lang="yaml"><span style="color:#606">spec</span>: |
| <span style="color:#606">containers</span>: |
| - <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">image: docker.io/eclipse/che-remote-plugin-node:next</span></span> |
| <span style="color:#606">name</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">vscode-typescript</span></span> |
| <span style="color:#606">memoryLimit</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">512Mi</span></span></code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>It results in a container with the following memory limit and request:</p> |
| </div> |
| <table class="tableblock frame-all grid-all stretch"> |
| <colgroup> |
| <col style="width: 50%;"> |
| <col style="width: 50%;"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Memory limit</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Memory request</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="admonitionblock tip"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-tip" title="Tip"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <div class="title">How to find the <code>meta.yaml</code> file of <code>chePlugin</code></div> |
| <p>Community plug-ins are available in the <a href="https://github.com/eclipse/che-plugin-registry">che-plugin-registry GitHub repository</a> in folder <code>v3/plugins/${organization}/${name}/${version}/</code>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For non-community or customized plug-ins, the <code>meta.yaml</code> files are available on the local Kubernetes cluster at <code>${pluginRegistryEndpoint}/v3/plugins/${organization}/${name}/${version}/meta.yaml</code>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For example, on a local Minikube cluster, the URL for the <code>che-incubator/typescript/latest meta.yaml</code> is <code>http://plugin-registry-che.192.168.64.78.nip.io/v3/plugins/che-incubator/typescript/latest/meta.yaml</code>.</p> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </li> |
| <li> |
| <p>Custom CPU limit and request:</p> |
| <div class="paragraph"> |
| <p>Che does not set CPU limits and requests. The <code>LimitRange</code> Kubernetes namespace may specify some defaults for CPU limits and requests. Kubernetes apply them to the <code>chePlugin</code> container.</p> |
| </div> |
| </li> |
| </ol> |
| </div> |
| </li> |
| <li> |
| <p>Custom requirements for <code>dockerimage</code> components</p> |
| <div class="paragraph"> |
| <p>If present, the <code>memoryLimit</code> attribute of the devfile defines the memory limit of a <code>dockerimage</code> container. Che set automatically the memory request to match the memory limit. There is no attribute in a devfile to set the memory request.</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="CodeRay highlight"><code data-lang="yaml"> - <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">alias: maven</span></span> |
| <span style="color:#606">type</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">dockerimage</span></span> |
| <span style="color:#606">image</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">eclipse/maven-jdk8:latest</span></span> |
| <span style="color:#606">memoryLimit</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">1536M</span></span></code></pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>Custom requirements for <code>kubernetes</code> or <code>openshift</code> components:</p> |
| <div class="paragraph"> |
| <p>The referenced manifest may define the memory requirements and limits.</p> |
| </div> |
| </li> |
| </ol> |
| </div> |
| </li> |
| <li> |
| <p>Add all requirements previously calculated.</p> |
| </li> |
| </ol> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="a-workspace-example_calculating-che-resource-requirements">A workspace example</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This section describes a Che workspace example.</p> |
| </div> |
| <div class="paragraph"> |
| <p>The following devfile defines the Che workspace:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="CodeRay highlight"><code data-lang="yaml"><span style="color:#606">apiVersion</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">1.0.0</span></span> |
| <span style="color:#606">metadata</span>: |
| <span style="color:#606">generateName</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">guestbook-nodejs-sample-</span></span> |
| <span style="color:#606">projects</span>: |
| - <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">name: guestbook-nodejs-sample</span></span> |
| <span style="color:#606">source</span>: |
| <span style="color:#606">type</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">git</span></span> |
| <span style="color:#606">location</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#710">"</span><span style="color:#D20">https://github.com/l0rd/nodejs-sample</span><span style="color:#710">"</span></span> |
| <span style="color:#606">components</span>: |
| - <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">type: chePlugin</span></span> |
| <span style="color:#606">id</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">che-incubator/typescript/latest</span></span> |
| - <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">type: kubernetes</span></span> |
| <span style="color:#606">alias</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">guestbook-frontend</span></span> |
| <span style="color:#606">reference</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">https://raw.githubusercontent.com/l0rd/nodejs-sample/master/kubernetes-manifests/guestbook-frontend.deployment.yaml</span></span> |
| <span style="color:#606">mountSources</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">true</span></span> |
| <span style="color:#606">entrypoints</span>: |
| - <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">command: ['sleep']</span></span> |
| <span style="color:#606">args</span>: <span style="background-color:hsla(0,100%,50%,0.05)"><span style="color:#D20">['infinity']</span></span></code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>This table provides the memory requirements for each workspace component:</p> |
| </div> |
| <table class="tableblock frame-all grid-all stretch"> |
| <caption class="title">Table 3. Total workspace memory requirement and limit</caption> |
| <colgroup> |
| <col style="width: 16.6666%;"> |
| <col style="width: 50%;"> |
| <col style="width: 16.6666%;"> |
| <col style="width: 16.6668%;"> |
| </colgroup> |
| <thead> |
| <tr> |
| <th class="tableblock halign-left valign-top">Pod</th> |
| <th class="tableblock halign-left valign-top">Container name</th> |
| <th class="tableblock halign-left valign-top">Default memory limit</th> |
| <th class="tableblock halign-left valign-top">Default memory request</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Workspace</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">theia-ide (default <code>cheEditor</code>)</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Workspace</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">machine-exec (default <code>chePlugin</code>)</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Workspace</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">vscode-typescript (<code>chePlugin</code>)</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Workspace</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">frontend (<code>kubernetes</code>)</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">1 GiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">512 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">JWT Proxy</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">verifier</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">128 MiB</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-right valign-top" colspan="2"><p class="tableblock"><strong>Total</strong></p></td> |
| <td class="tableblock halign-right valign-top"><p class="tableblock"><strong>2.25 GiB</strong></p></td> |
| <td class="tableblock halign-right valign-top"><p class="tableblock"><strong>1.75 GiB</strong></p></td> |
| </tr> |
| </tbody> |
| </table> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>The <code>theia-ide</code> and <code>machine-exec</code> components are implicitly added to the workspace, even when not included in the devfile.</p> |
| </li> |
| <li> |
| <p>The resources required by <code>machine-exec</code> are the default for <code>chePlugin</code>.</p> |
| </li> |
| <li> |
| <p>The resources for <code>theia-ide</code> are specifically set in the <code>cheEditor</code> <code>meta.yaml</code> to <strong>512 MiB</strong> as <code>memoryLimit</code>.</p> |
| </li> |
| <li> |
| <p>The Typescript VS Code extension has also overridden the default memory limits. In its <code>meta.yaml</code> file, the limits are explicitly specified to <strong>512 MiB</strong>.</p> |
| </li> |
| <li> |
| <p>Che is applying the defaults for the <code>kubernetes</code> component type: a memory limit of <strong>1 GiB</strong> and a memory request of <strong>512 MiB</strong>. This is because the <code>kubernetes</code> component references a <code>Deployment</code> manifest that has a container specification with no resource limits or requests.</p> |
| </li> |
| <li> |
| <p>The JWT container requires <strong>128 MiB</strong> of memory.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>Adding all together results in <strong>1.75 GiB</strong> of memory requests with a <strong>2.25 GiB</strong> limit.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="additional-resources">Additional resources</h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="/che/docs/che-7/high-level-che-architecture">High-level Che architecture</a></p> |
| </li> |
| <li> |
| <p><a href="https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/">Kubernetes compute resources management documentation</a></p> |
| </li> |
| <li> |
| <p><a href="/che/docs/che-7/advanced-configuration-options">Advanced Che configuration options</a></p> |
| </li> |
| <li> |
| <p><a href="/che/docs/che-7/making-a-workspace-portable-using-a-devfile">Devfile documentation</a></p> |
| </li> |
| <li> |
| <p><a href="/che/docs/che-7/making-a-workspace-portable-using-a-devfile/#a-minimal-devfile_making-a-workspace-portable-using-a-devfile">A devfile that has no components</a></p> |
| </li> |
| <li> |
| <p><a href="/che/docs/che-7/authenticating-users/#machine-token-validation_authenticating-in-a-che-workspace">JWT Proxy</a></p> |
| </li> |
| <li> |
| <p><a href="https://github.com/eclipse/che-plugin-registry">che-plugin-registry GitHub repository</a></p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| |
| <div class="tags"> |
| |
| <b>Tags: </b> |
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