cloud: optimize the description of TiDB-X features (#22294)

Author: lilyjazz

tidb-cloud/features.md

@@ -11,8 +11,10 @@ This document lists the feature support status for different TiDB Cloud plans, i
 >
 > [TiDB Cloud Starter](/tidb-cloud/select-cluster-tier.md#starter) is the best way to get started with TiDB Cloud. Additionally, you can try out TiDB Cloud features on [TiDB Playground](https://play.tidbcloud.com/?utm_source=docs&utm_medium=tidb_cloud_quick_start).
 
-- ✅: The feature is generally available unless otherwise noted as "Private preview" or "Public preview".
-- ❌: The feature is currently not available.
+- ✅: The feature is **generally available** or in **public preview**.
+- 🔒: The feature is in **private preview**.
+- 🚧: The feature is **under development**.
+- ❌: The feature is **currently not available**.
 
 <table><thead>
   <tr>
@@ -24,84 +26,126 @@ This document lists the feature support status for different TiDB Cloud plans, i
   </tr></thead>
 <tbody>
   <tr>
-    <td rowspan="3" style="background-color: white;">Basics</td>
-    <td>TiKV</td>
+    <td rowspan="4" style="background-color: white;">Basics</td>
+    <td>Scalable transactional processing</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>TiFlash</td>
+    <td>Analytical processing</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
+  <tr>
+    <td>Vector storage &amp; vector search</td>
+    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
+    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
+    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
+  </tr>
   <tr>
     <td>API</td>
     <td style="text-align:center;">✅<br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
     <td style="text-align:center;">✅<br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
     <td style="text-align:center;">✅<br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
   </tr>
   <tr>
-    <td rowspan="3" style="background-color: white;">Cluster management</td>
-    <td>Pause & resume</td>
+    <td rowspan="2" style="background-color: white;">Developer experience</td>
+    <td>Data branch</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+  </tr>
+  <tr>
+    <td>SQL editor</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+  </tr>
+  <tr>
+    <td rowspan="7" style="background-color: white;">Cluster management</td>
+    <td>Pay as you use</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+  </tr>
+  <tr>
+    <td>Automatic scaling based on workload</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+  </tr>
+  <tr>
+    <td>Manual cluster modification</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+    <td style="text-align:center;">✅</td>
+  </tr>
+  <tr>
+    <td>Password setting</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
+  </tr>
+  <tr>
+    <td>Pause &amp; resume</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>Maintenance window</td>
+    <td>System maintenance window</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>Recycle bin</td>
+    <td>Backup file recycle bin</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td rowspan="2" style="background-color: white;">Data import</td>
-    <td>Import (using <code>IMPORT INTO</code> or the TiDB Cloud console)</td>
+    <td rowspan="4" style="background-color: white;">Data processing</td>
+    <td>Data import from CSV, Parquet, and SQL files to TiDB Cloud</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>Data migration</td>
+    <td>Data migration from MySQL-compatible databases into TiDB Cloud</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Private preview)</span></td>
+    <td style="text-align:center;">🔒</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td rowspan="2" style="background-color: white;">Data export</td>
-    <td>Export</td>
+    <td>Data export via CSV, Parquet, and SQL files to local or object storages</td>
     <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
     <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
     <td style="text-align:center; font-size: 14px;">❌</td>
   </tr>
   <tr>
-    <td>Changefeed</td>
+    <td>Change data replication to Kafka or other MySQL-compatible databases using changefeeds</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td rowspan="4" style="background-color: white;">Backup &amp; restore</td>
+    <td rowspan="5" style="background-color: white;">Backup &amp; restore</td>
     <td>Automatic backup</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>Dual region backup</td>
+    <td>Manual backup</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>Manual backup</td>
+    <td>Dual region backup</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
@@ -113,10 +157,9 @@ This document lists the feature support status for different TiDB Cloud plans, i
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td style="background-color: white;">Storage</td>
-    <td>Standard storage</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
+    <td>Restore</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
@@ -129,17 +172,17 @@ This document lists the feature support status for different TiDB Cloud plans, i
   <tr>
     <td>Alerting</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
+    <td style="text-align:center; font-size: 14px;">🚧</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>SQL Statement</td>
+    <td>SQL statement analysis</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>Slow Query</td>
+    <td>Slow query log</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
@@ -157,27 +200,21 @@ This document lists the feature support status for different TiDB Cloud plans, i
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td>Third-party integrations</td>
+    <td>Third-party integrations, such as Datadog, Prometheus, and New Relic</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td rowspan="2" style="background-color: white;">High availability</td>
-    <td>Failover (cross-AZ)</td>
+    <td rowspan="1" style="background-color: white;">High availability</td>
+    <td>Cross-AZ failover</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
-  <tr>
-    <td>Recovery group (cross-region)</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center;">✅</td>
-  </tr>
   <tr>
     <td rowspan="2" style="background-color: white;">Resource allocation</td>
-    <td>Node group</td>
+    <td>Node groups</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
@@ -189,22 +226,29 @@ This document lists the feature support status for different TiDB Cloud plans, i
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td rowspan="7" style="background-color: white;">Security</td>
+    <td rowspan="3" style="background-color: white;">Network connection</td>
     <td>Private endpoint</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
+  <tr>
+    <td>Public endpoint</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
+    <td style="text-align:center;">✅</td>
+  </tr>
   <tr>
     <td>VPC peering</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
+    <td rowspan="6" style="background-color: white;">Security</td>
     <td>Database audit logging</td>
     <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Private preview)</span></td>
+    <td style="text-align:center;">🔒</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
@@ -213,42 +257,29 @@ This document lists the feature support status for different TiDB Cloud plans, i
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
-  <tr>
-    <td>CMEK</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center;">✅</td>
-  </tr>
   <tr>
     <td>Log redaction</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
+  <tr>
+    <td>CMEK</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+    <td style="text-align:center; font-size: 14px;">❌</td>
+    <td style="text-align:center;">✅</td>
+  </tr>
   <tr>
     <td>Dual-layer encryption</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
   </tr>
   <tr>
-    <td rowspan="3" style="background-color: white;">AI &amp; Development</td>
-    <td>Vector search</td>
-    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
-    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
-    <td style="text-align:center;">✅ <br/><span style="font-size: 14px; white-space: nowrap;">(Public preview)</span></td>
-  </tr>
-  <tr>
-    <td>Data branch</td>
+    <td>IAM (including email and password login, standard SSO, and organization SSO)</td>
     <td style="text-align:center;">✅</td>
     <td style="text-align:center;">✅</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
-  </tr>
-  <tr>
-    <td>SQL editor</td>
     <td style="text-align:center;">✅</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
-    <td style="text-align:center; font-size: 14px;">❌</td>
   </tr>
   <tr>
     <td rowspan="4" style="background-color: white;">Cloud and regions</td>