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doc-exports/docs/css/api-ref/RollingRestart.html
zhengxiu 8f6b8d3664 css api 25.6.0 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: zhengxiu <zhengxiu@huawei.com>
Co-committed-by: zhengxiu <zhengxiu@huawei.com>
2025-11-25 11:21:12 +00:00

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<a name="RollingRestart"></a><a name="RollingRestart"></a>
<h1 class="topictitle1">Rolling Restart (Deprecated)</h1>
<div id="body1708331107508"><div class="section"><h4 class="sectiontitle">Function</h4><p>This API is used to restart nodes one by one, which requires a long time when the nodes have a large number of indexes.</p>
<div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody">Rolling restart is supported only when the cluster has more than three nodes (including master nodes, client nodes, and cold data nodes). When the cluster is available, ensure that the cluster has stopped handling service requests (such as importing data and searching for data). Otherwise, the cluster restart may cause data loss.</div></div>
</div>
<div class="section" id="RollingRestart__atuogenerate_1"><h4 class="sectiontitle">Calling Method</h4><p>For details, see <a href="css_03_0077.html">Calling APIs</a>.</p>
</div>
<div class="section" id="RollingRestart__atuogenerate_2"><h4 class="sectiontitle">URI</h4><p>POST /v2.0/{project_id}/clusters/{cluster_id}/rolling_restart</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Path Parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.3.3.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.1 "><p>project_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.3.2.5.1.4 "><p><strong>Definition</strong>:</p>
<p>Project ID. For details about how to obtain the project ID and name, see <a href="css_03_0071.html">Obtaining the Project ID and Name</a>.</p>
<p><strong>Constraints</strong>:</p>
<p>N/A</p>
<p><strong>Value range</strong>:</p>
<p>Project ID of the account.</p>
<p><strong>Default value</strong>:</p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.1 "><p>cluster_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.3.2.5.1.4 "><p><strong>Definition</strong>:</p>
<p>ID of the cluster you want to restart. For details about how to obtain the cluster ID, see <a href="css_03_0101.html">Obtaining the Cluster ID</a>.</p>
<p><strong>Constraints</strong>:</p>
<p>N/A</p>
<p><strong>Value range</strong>:</p>
<p>Cluster ID.</p>
<p><strong>Default value</strong>:</p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Request Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="RollingRestart__request_RollingRestartReq" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Request body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.2.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.2.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.2.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.4.2.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.1 "><p>type</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.2.2.5.1.4 "><p>Operation role. Its type can only be <strong>role</strong>.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.1 "><p>value</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.2.2.5.1.4 "><p>Instance type. (At least one data node is required when you configure instance types.) Use commas (,) to separate multiple types. For example:</p>
<ul><li><p><strong>ess-master</strong> indicates a master node.</p>
</li><li><p><strong>ess-client</strong> indicates a client node.</p>
</li><li><p><strong>ess-cold</strong> indicates a cold data node.</p>
</li><li><p><strong>ess</strong> indicates a data node.</p>
</li><li><p><strong>all</strong> indicates all nodes.</p>
</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Response Parameters</h4><p><strong>Status code: 200</strong></p>
<p>Request succeeded.</p>
<p>None</p>
</div>
<div class="section"><h4 class="sectiontitle">Example Requests</h4><p>Restart a node.</p>
<pre class="screen">POST https://{Endpoint}/v2.0/{project_id}/clusters/4f3deec3-efa8-4598-bf91-560aad1377a3/rolling_restart
{
"type" : "role",
"value" : "ess"
}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Example Responses</h4><p>None</p>
</div>
<div class="section"><h4 class="sectiontitle">Status Codes</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="RollingRestart__status_code" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="15%" id="mcps1.3.8.2.1.3.1.1"><p>Status Code</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="85%" id="mcps1.3.8.2.1.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>200</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Request succeeded.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>400</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Invalid request.</p>
<p>Modify the request before retry.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>409</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>The request could not be completed due to a conflict with the current state of the resource.</p>
<p>The resource that the client attempts to create already exists, or the update request fails to be processed because of a conflict.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>412</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>The server did not meet one of the preconditions contained in the request.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Error Codes</h4><p>See <a href="css_03_0076.html">Error Codes</a>.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="cluster_management_0.html">Cluster Management</a></div>
</div>
</div>
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