doc-exports/docs/dcs/api-ref/ResizeInstance.html
Chen, Junjie a03981f7be DCS API 20230220 Version
Reviewed-by: Bobkova, Natalia <natalia.bobkova@t-systems.com>
Co-authored-by: Chen, Junjie <chenjunjie@huawei.com>
Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
2024-04-22 14:08:39 +00:00

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<a name="ResizeInstance"></a><a name="ResizeInstance"></a>
<h1 class="topictitle1">Modifying Instance Specifications</h1>
<div><div class="section"><h4 class="sectiontitle">Function</h4><p>This API is used to modify specifications of a DCS instance in the <strong>Running</strong> state.</p>
</div>
<div class="section" id="ResizeInstance__atuogenerate_1"><h4 class="sectiontitle">URI</h4><p>POST /v2/{project_id}/instances/{instance_id}/resize</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="mcps1.3.2.3.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.3.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.3.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.2.3.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.1 "><p>instance_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.3.2.5.1.4 "><p>Instance ID.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.1 "><p>project_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.3.2.5.1.4 "><p>Project ID. For details, see <a href="dcs-api-0312045.html">Obtaining a Project ID</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="ResizeInstance__request_ResizeInstanceBody" 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="mcps1.3.3.2.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.2.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.2.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.3.2.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>spec_code</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>Flavor after the modification. The query method is as follows:</p>
<ul><li><p>Method 1: Log in to the DCS console, go to the instance creation page, and check the instance flavor.</p>
</li><li><p>Method 2: Call the <a href="ListFlavors.html">API used to query product flavors</a>.</p>
</li></ul>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>new_capacity</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>New memory size of the DCS instance, in GB. For a single-node or master/standby DCS Redis 4.0, 5.0, or 6.0 instance, the value can be <strong>0.125</strong>, <strong>0.25</strong>, <strong>0.5</strong>, <strong>1</strong>, <strong>2</strong>, <strong>4</strong>, <strong>8</strong>, <strong>16</strong>, <strong>32</strong>, or <strong>64</strong>. For a cluster instance, the value can be <strong>4</strong>, <strong>8</strong>, <strong>16</strong>, <strong>24</strong>, <strong>32</strong>, <strong>48</strong>, <strong>64</strong>, <strong>96</strong>, <strong>128</strong>, <strong>192</strong>, <strong>256</strong>, <strong>384</strong>, <strong>512</strong>, <strong>768</strong>, or **1024.</p>
<p>Currently, the specifications of a Proxy Cluster DCS Redis 3.0 instance cannot be reduced. In addition to integers, 0.125, 0.25, and 0.5 are also supported.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>bss_param</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p><a href="#ResizeInstance__request_BssParamEntity">BssParamEntity</a> object</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>This parameter does not need to be set for pay-per-use instances.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>reserved_ip</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>Array of strings</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>IP addresses to retain. Mandatory during cluster scale-in. If this parameter is not set, the system randomly deletes unnecessary shards.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>change_type</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>Modification type. Mandatory when the number of replicas of a DCS Redis 4.0 or 5.0 instance is modified.</p>
<ul><li><p><strong>createReplication</strong>: adding replicas</p>
</li><li><p><strong>deleteReplication</strong>: deleting replicas</p>
</li><li><p><strong>addSharding</strong>: adding shards</p>
</li><li><p><strong>instanceType</strong>: changing the instance type..</p>
</li></ul>
<p>Enumeration values:</p>
<ul><li><p><strong>createReplication</strong></p>
</li><li><p><strong>deleteReplication</strong></p>
</li><li><p><strong>addSharding</strong></p>
</li><li><p><strong>instanceType</strong></p>
</li></ul>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>available_zones</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>Array of strings</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>Code of the AZ where each replica is in. This parameter is mandatory when you add replicas to a DCS Redis 4.0 or 5.0 instance. Before specifying an AZ, ensure that there are available resources in it. This parameter is mandatory when you delete replicas from a cluster instance.</p>
<p>For details, see <a href="ListAvailableZones.html">Querying AZs</a>.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>node_list</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>Array of strings</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>ID of the replica to delete. This parameter is mandatory when you delete replicas of a master/standby DCS Redis 4.0 or 5.0 instance. Currently, only one replica can be deleted at a time.</p>
<p>For details, see <a href="ListGroupReplicationInfo.html">Querying Details of Shards and Replicas</a>.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>execute_immediately</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p>Whether to apply the change immediately. Options:</p>
<ul><li><p><strong>true</strong> (default): Apply the change immediately.</p>
</li><li><p><strong>false</strong>: Apply the change during the maintenance window. .</p>
</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="ResizeInstance__request_BssParamEntity"></a><a name="request_BssParamEntity"></a><table cellpadding="4" cellspacing="0" summary="" id="ResizeInstance__request_BssParamEntity" frame="border" border="1" rules="all"><caption><b>Table 3 </b>BssParamEntity</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>is_auto_pay</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.2 "><p>No</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>This parameter is reserved.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Response Parameters</h4><p>None</p>
</div>
<div class="section"><h4 class="sectiontitle">Example Requests</h4><p>Changing instance specifications to 1 GB.</p>
<pre class="screen">POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/resize
{
"spec_code" : "redis.ha.xu1.tiny.r2.1",
"new_capacity" : 1,
"reserved_ip" : [ "192.168.0.125" ],
"change_type" : "createReplication",
"available_zones" : [ "e7afd64502d64fe3bfb60c2c82ec0ec6", "d90ff6d692954373bf53be49cf3900cb" ],
"node_list" : [ "ff80808282eee5f90183120188ae093e" ],
"execute_immediately" : true
}</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="ResizeInstance__status_code" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="15%" id="mcps1.3.7.2.1.3.1.1"><p>Status Code</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="85%" id="mcps1.3.7.2.1.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.7.2.1.3.1.1 "><p>204</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>DCS instance specifications modified successfully.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Error Codes</h4><p>See <a href="ErrorCode.html">Error Codes</a>.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="LifecycleManagement.html">Lifecycle Management</a></div>
</div>
</div>