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doc-exports/docs/dcs/api-ref/ShowMigrationTaskStats.html
chenjunjie 63188fad94 DCS API 20240705 version
Reviewed-by: Bobkova, Natalia <natalia.bobkova@t-systems.com>
Co-authored-by: chenjunjie <chenjunjie@huawei.com>
Co-committed-by: chenjunjie <chenjunjie@huawei.com>
2025-03-17 15:42:06 +00:00

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<a name="ShowMigrationTaskStats"></a><a name="ShowMigrationTaskStats"></a>
<h1 class="topictitle1">Querying the Progress of an Online Migration Task</h1>
<div id="body1708331107508"><div class="section"><h4 class="sectiontitle">Function</h4><p>This API is used to query progress details about an online migration task.</p>
</div>
<div class="section" id="ShowMigrationTaskStats__atuogenerate_1"><h4 class="sectiontitle">URI</h4><p>GET /v2/{project_id}/migration-task/{task_id}/stats</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>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>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.1 "><p>task_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>Task ID.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Request Parameters</h4><p>None</p>
</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="ShowMigrationTaskStats__response_MigrateStatsResponse" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.3.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.3.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.3.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>full_migration_progress</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p>Percentage of the full migration progress.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>offset</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p>Offset of incremental migration, which is the difference between the data volume of the source Redis and the target Redis during the incremental migration.</p>
<p>If the offset is 0, there is no data difference between the source and the target Redis during the incremental migration.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>source_dbsize</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p>Number of keys in the source Redis.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>target_dbsize</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p>Number of keys in the target Redis.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>target_input_kbps</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p>Key write traffic of the target Redis, in KB/s.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>target_ops</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p>Number of concurrent operations per second on the target Redis.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>is_migrating</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p>Whether the migration task is in progress.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Status code: 400</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ShowMigrationTaskStats__response_ErrorResponse" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.5.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.5.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.5.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.5.2.4.1.1 "><p>error_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.4.1.3 "><p>Error message.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.5.2.4.1.1 "><p>error_code</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.4.1.3 "><p>Error code.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.5.2.4.1.1 "><p>error_ext_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.4.1.3 "><p>Extended error information. This parameter is not used currently and is set to <strong>null</strong>.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Status code: 401</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ShowMigrationTaskStats__response_ErrorResponse_1" 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="mcps1.3.4.7.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.7.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.7.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.7.2.4.1.1 "><p>error_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.7.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.4.1.3 "><p>Error message.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.7.2.4.1.1 "><p>error_code</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.7.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.4.1.3 "><p>Error code.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.7.2.4.1.1 "><p>error_ext_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.7.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.4.1.3 "><p>Extended error information. This parameter is not used currently and is set to <strong>null</strong>.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Status code: 403</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ShowMigrationTaskStats__response_ErrorResponse_2" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.9.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.9.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.9.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.9.2.4.1.1 "><p>error_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.9.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.9.2.4.1.3 "><p>Error message.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.9.2.4.1.1 "><p>error_code</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.9.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.9.2.4.1.3 "><p>Error code.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.9.2.4.1.1 "><p>error_ext_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.9.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.9.2.4.1.3 "><p>Extended error information. This parameter is not used currently and is set to <strong>null</strong>.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Status code: 404</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ShowMigrationTaskStats__response_ErrorResponse_3" frame="border" border="1" rules="all"><caption><b>Table 6 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.11.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.11.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.11.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.11.2.4.1.1 "><p>error_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.11.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.11.2.4.1.3 "><p>Error message.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.11.2.4.1.1 "><p>error_code</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.11.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.11.2.4.1.3 "><p>Error code.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.11.2.4.1.1 "><p>error_ext_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.11.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.11.2.4.1.3 "><p>Extended error information. This parameter is not used currently and is set to <strong>null</strong>.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Status code: 500</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ShowMigrationTaskStats__response_ErrorResponse_4" frame="border" border="1" rules="all"><caption><b>Table 7 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.13.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.13.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.13.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.13.2.4.1.1 "><p>error_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.13.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.13.2.4.1.3 "><p>Error message.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.13.2.4.1.1 "><p>error_code</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.13.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.13.2.4.1.3 "><p>Error code.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.13.2.4.1.1 "><p>error_ext_msg</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.13.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.13.2.4.1.3 "><p>Extended error information. This parameter is not used currently and is set to <strong>null</strong>.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Example Requests</h4><pre class="screen">https://{dcs_endpoint}/v2/666486c2d9b948c1bbea57e714d744fa/migration-task/31c6fd2b-2893-430b-90ff-d1adb8060585/stats</pre>
</div>
<div class="section"><h4 class="sectiontitle">Example Responses</h4><p><strong>Status code: 200</strong></p>
<p>Progress of the online migration task queried successfully.</p>
<pre class="screen">{
"full_migration_progress" : 100,
"offset" : 100,
"source_dbsize" : 531221,
"target_dbsize" : 531211,
"target_input_kbps" : 50,
"target_ops" : 5300,
"is_migrating" : true
}</pre>
<p><strong>Status code: 400</strong></p>
<p>Invalid request.</p>
<pre class="screen">{
"error_code" : "DCS.4133",
"error_msg" : "Instance job is not found."
}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Status Codes</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ShowMigrationTaskStats__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>200</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>Progress of the online migration task queried successfully.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.7.2.1.3.1.1 "><p>400</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>Invalid request.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.7.2.1.3.1.1 "><p>401</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>Invalid authentication information.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.7.2.1.3.1.1 "><p>403</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>The request is rejected.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.7.2.1.3.1.1 "><p>404</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>The requested resource is not found.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.7.2.1.3.1.1 "><p>500</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>Internal service error.</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="DataMigrationManagement.html">Data Migration</a></div>
</div>
</div>