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doc-exports/docs/dws/api-ref/CheckGrowCluster.html
luhuayi 007dffd756 DWS API 8.5.1_20260108 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
2026-03-06 08:01:27 +00:00

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<a name="EN-US_TOPIC_0000002532013891"></a><a name="EN-US_TOPIC_0000002532013891"></a>
<h1 class="topictitle1">Performing a Scale-Out Check</h1>
<div id="body8662426"><div class="section"><h4 class="sectiontitle">Function</h4><p>This API is used to conduct a precheck for cluster scale-out to identify failures caused by insufficient subnets or permissions.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_atuogenerate_1"><h4 class="sectiontitle">Calling Method</h4><p>For details, see <a href="dws_02_0062.html">Calling APIs</a>.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_atuogenerate_2"><h4 class="sectiontitle">URI</h4><p>POST /v2/{project_id}/clusters/{cluster_id}/grow-check</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>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>Cluster ID. For details about how to obtain the value, see <a href="dws_02_00068.html">Obtaining the Cluster ID</a>.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</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>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. To obtain the value, see <a href="dws_02_0011.html">Obtaining a Project ID</a>.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</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="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_request_ResizeClusterRequestBody" 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>scale_out</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><a href="#EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_request_ScaleOut">ScaleOut</a> object</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.2.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Request body for adding an idle node or scaling out a cluster.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.1 "><p>create_node_only</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.3 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.2.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Whether only idle nodes are added.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p><strong>true</strong>: Only nodes are added. If scale-out is required, perform it separately.</p>
<p><strong>false</strong>: Nodes are added and the cluster is scaled out.</p>
<p><strong>Default Value</strong></p>
<p>false</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.1 "><p>waiting_for_killing</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.3 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.2.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Time before blocked job termination.</p>
<p><strong>Constraints</strong></p>
<p>This parameter is available only for GuestAgent 8.2.1 or later.</p>
<p><strong>Range</strong></p>
<p><strong>30</strong> to <strong>1200</strong></p>
<p><strong>Default Value</strong></p>
<p><strong>0</strong> (not limited)</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.1 "><p>auto_redistribute</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.2.2.5.1.3 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.2.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Whether to automatically start redistribution after scale-out. The default value is <strong>true</strong>. If this parameter is set to <strong>false</strong>, redistribution is not performed after scale-out. In this case, the cluster task information displays <strong>To be redistributed</strong> and other operations cannot be performed.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p><strong>true</strong>: Redistribution is performed immediately after scale-out.</p>
<p><strong>false</strong>: Redistribution is not performed after scale-out. In this case, the cluster task information displays <strong>To be redistributed</strong>.</p>
<p><strong>Default Value</strong></p>
<p>true</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_request_ScaleOut"></a><a name="en-us_topic_0000002374935113_request_ScaleOut"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_request_ScaleOut" frame="border" border="1" rules="all"><caption><b>Table 3 </b>ScaleOut</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.3.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.3.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.4.3.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.4.3.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.5.1.1 "><p>count</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.5.1.3 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.3.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Number of nodes to be added.</p>
<p><strong>Range</strong></p>
<p>Greater than or equal to <strong>3</strong></p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.5.1.1 "><p>subnet_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.4.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.4.3.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Subnet ID.</p>
<p><strong>Range</strong></p>
<p>The value is a valid subnet ID in the same VPC.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Response Parameters</h4><p><strong>Status code: 200</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_GrowCheckResponse" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.3.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.3.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.5.3.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.3.2.4.1.1 "><p>data</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.3.2.4.1.2 "><p>Array of <a href="#EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_GrowCheckResult">GrowCheckResult</a> objects</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Pre-scale-out check information.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.3.2.4.1.1 "><p>note</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.3.2.4.1.2 "><p><a href="#EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_NoteInfo">NoteInfo</a> object</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Message displayed before the scale-out.</p>
<p><strong>Value range</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_GrowCheckResult"></a><a name="en-us_topic_0000002374935113_response_GrowCheckResult"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_GrowCheckResult" frame="border" border="1" rules="all"><caption><b>Table 5 </b>GrowCheckResult</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.4.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.4.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.5.4.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.1 "><p>pass</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.2 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.4.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Whether the check is passed. By default, the items that pass the check are not displayed.</p>
<p><strong>Range</strong></p>
<p>true/false</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.1 "><p>reason</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.4.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Reason that the check fails.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.1 "><p>required</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.2 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.4.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Whether the check item is mandatory.</p>
<p><strong>Range</strong></p>
<ul><li><p><strong>true</strong>: The check item is mandatory. If the check item fails, the scale-out is not allowed or fails.</p>
</li><li><p><strong>false</strong>: The check item is not mandatory. If the check fails, only a message is displayed indicating the risk and the cluster can be scaled out.</p>
</li></ul>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.1 "><p>desc</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.4.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Description.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.1 "><p>type</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.4.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.4.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Type.</p>
<p><strong>Range</strong></p>
<p>Quota, permission, version, and status</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_NoteInfo"></a><a name="en-us_topic_0000002374935113_response_NoteInfo"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_NoteInfo" frame="border" border="1" rules="all"><caption><b>Table 6 </b>NoteInfo</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.5.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.5.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.5.5.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.5.2.4.1.1 "><p>bucket_split_info</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.5.2.4.1.2 "><p><a href="#EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_BucketSplitInfo">BucketSplitInfo</a> object</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.5.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Redistribution message.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_BucketSplitInfo"></a><a name="en-us_topic_0000002374935113_response_BucketSplitInfo"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_response_BucketSplitInfo" frame="border" border="1" rules="all"><caption><b>Table 7 </b>BucketSplitInfo</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.6.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.5.6.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.5.6.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.1 "><p>current_dn_num</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.2 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.6.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Number of current DNs.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.1 "><p>after_scale_out_dn_num</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.2 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.6.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Number of DN nodes after scale-out.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.1 "><p>current_bucket_num</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.2 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.6.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Number of current buckets.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.1 "><p>after_scale_out_bucket_num</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.2 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.6.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Number of buckets after scale-out.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.1 "><p>is_bucket_split</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.2 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.6.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Whether bucket splitting is involved in scale-out.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.1 "><p>bucket_tilt_rate</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.6.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Bucket tilt rate on DN nodes. It is used to measure the imbalance of buckets on DN nodes.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.1 "><p>after_scale_out_bucket_tilt_rate</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.5.6.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.5.6.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Bucket tilt rate on DN nodes after scale-out. It is used to measure the imbalance of buckets on DN nodes after scale-out.</p>
<p><strong>Range</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Example Requests</h4><p>Check whether the quota or permission is sufficient when three nodes are added to a cluster.</p>
<pre class="screen">POST https://{Endpoint}/v2/89cd04f168b84af6be287f71730fdb4b/clusters/4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90/grow-check
{
"scale_out" : {
"count" : 3
}
}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Example Responses</h4><p><strong>Status code: 200</strong></p>
<p>Request submitted.</p>
<pre class="screen">{
"note" : {
"bucket_split_info" : {
"current_dn_num" : 6,
"after_scale_out_bucket_num" : 32,
"is_bucket_split" : false,
"after_scale_out_dn_num" : 9,
"bucket_tilt_rate" : "16.67%",
"after_scale_out_bucket_tilt_rate" : "25.00%"
}
},
"data" : [ {
"pass" : false,
"reason" : "Subnet IP address quota exceeded. Required: 3; Used: 249/251",
"required" : true,
"desc" : "Subnet IP address check",
"type" : "Quota"
} ]
}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Status Codes</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002532013891__en-us_topic_0000002374935113_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 submitted.</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>Request error.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>401</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Authentication failed.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>403</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>You do not have required permissions.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>404</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>No resources found.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>500</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Internal server error.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>503</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Service unavailable.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_02_0026.html">Node Change</a></div>
</div>
</div>
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