<p>You can easily manage RDS PostgreSQL instances via instance tags.</p> <p><span style="font-size:18px"><strong>Overview</strong></span></p> <p>After an instance is successfully created, the instance name will be automatically generated by the system and cannot be modified. You can quickly find the target instance via an instance tag. A general instance, remote disaster recovery instance and read-only instance can be set with a tag.</p> <p><span style="font-size:18px"><strong>Prerequisites</strong></span></p> <ul> <li>You have successfully created a general instance. For more information, see <a href="http://pinganyun.com/ssr/help/database/RDS/User_Guide_RDS_PostgreSQL.Instance_Management.Create_Instance.Create_Common_Instance" target="_blank">Create a General Instance</a>.</li> <li>You have successfully created a remote disaster recovery instance. For more information, see <a href="http://pinganyun.com/ssr/help/database/RDS/User_Guide_RDS_PostgreSQL.Instance_Management.Create_Instance.Create_Slave_Instance" target="_blank">Create a Remote Disaster Recovery Instance</a>.</li> <li>You have successfully created a read-only instance. For more information, see <a href="http://pinganyun.com/ssr/help/database/RDS/User_Guide_RDS_PostgreSQL.Instance_Management.Create_Instance.Create_Read_Only_Instance" target="_blank">Create a Read-Only Instance</a>.</li> </ul> <p><span style="font-size:18px"><strong>Procedures</strong></span></p> <p>1.&nbsp; Log in to the <a href="http://pinganyun.com/console/rds/overview" target="_blank">RDS Console</a>.</p> <p>2.&nbsp; In the left navigation pane, click <strong>RDS-PostgreSQL</strong> to enter the <strong>DBPaaS for RDS-PostgreSQL</strong> page.</p> <p>3.&nbsp; Select the target region.</p> <p>4.&nbsp; Click <img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200607155853-1f9776c49798.png" style="height:21px; margin:0px; width:17px" />&nbsp;next to the target instance name and enter the <strong>Instance Label Modification</strong> page to set instance tag.</p> <p>5.&nbsp; Fill in the <strong>New Label Name</strong> and click <strong>Save</strong>.</p> <p>&nbsp; &nbsp; <img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200607155754-1a3076839657.png" style="height:29px; margin:0px; width:65px" />:</p> <p>&nbsp; &nbsp; 1.&nbsp; The length of new label name is 1 to 16 characters.</p> <p>&nbsp; &nbsp; 2.&nbsp; It contains uppercase and lowercase letters, underscore (_), en dash (&ndash;), or digits.</p> <p>&nbsp; &nbsp; 3.&nbsp; The first character should be a letter.</p> <p><img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200607155906-1dbe1b6d9bfe.png" style="height:327px; width:494px" /></p> <p><span style="font-size:18px"><strong>Result</strong></span></p> <p>You will see an <strong>Operation succeeded</strong> message at the bottom of the page.</p> <p><span style="font-size:18px"><strong>Subsequent Procedures</strong></span></p> <p>You can quickly find the target instance via an instance tag on <strong>DBPaaS for RDS-MySQL </strong>page.</p> <p><img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200607155913-199fb263977b.png" style="height:96px; width:547px" /></p>