<p>RDS and Argus are closely integrated and provide complete performance monitoring service. You can view the resource usage of RDS MySQL with Argus service. The following is the detailed information of common monitoring items:</p> <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top; width:180px"> <p><strong>Parameter</strong></p> </td> <td style="background-color:#ededed; vertical-align:top; width:170px"> <p><strong>Name</strong></p> </td> <td style="background-color:#ededed; vertical-align:top; width:434px"> <p><strong>Description</strong></p> </td> </tr> <tr> <td style="vertical-align:top; width:180px"> <p>mysql_connections_pct</p> </td> <td style="vertical-align:top; width:170px"> <p>connection used percent</p> </td> <td style="vertical-align:top; width:434px"> <p>It is the ratio of current connection quantity to maximum connections. The unit is percentage (%).</p> </td> </tr> <tr> <td style="vertical-align:top; width:180px"> <p>mysql_cpu_used_pct</p> </td> <td style="vertical-align:top; width:170px"> <p>cpu busy&nbsp;</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the CPU usage ratio of an instance. The unit is percentage (%).</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_delete_per_second</p> </td> <td style="width:170px"> <p>delete per second</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the frequency of DELETE statement being executed per second. The unit is DELETE/second.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_disk_used</p> </td> <td style="width:170px"> <p>total disk usage</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the total disk usage of an instance. The unit is GB.</p> <p>Total disk usage = data disk usage + log disk usage.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_disk_used_data</p> </td> <td style="width:170px"> <p>data disk usage</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the data disk usage of an instance. The unit is GB.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_disk_used_log</p> </td> <td style="width:170px"> <p>log disk usage</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the log disk usage of an instance. The unit is GB.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_disk_used_pct</p> </td> <td style="width:170px"> <p>total disk usage percent</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the total usage ratio of disk space of an instance. The unit is percentage (%). total usage ratio of disk space = total disk space usage/storage specifications of an instance.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_disk_used_tmp</p> </td> <td style="width:170px"> <p>tmp disk usage</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the temporary file space usage of an instance. The unit is GB.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_insert_per_second</p> </td> <td style="width:170px"> <p>insert per second</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the frequency of INSERT statement being executed per second. The unit is INSERT/second.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_mem_used_pct</p> </td> <td style="width:170px"> <p>memory used percent</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the memory usage ratio of an instance. The unit is percentage (%).</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_select_per_second</p> </td> <td style="width:170px"> <p>select per second</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the frequency of SELECT statement being executed per second. The unit is SELECT/second.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_status</p> </td> <td style="width:170px"> <p>database usable</p> </td> <td style="vertical-align:top; width:434px"> <p>The value range of monitoring status of an RDS MySQL instance is:</p> <p>&bull;&nbsp; 0: Instance connection is abnormal.</p> <p>&bull;&nbsp; 1: Instance connection is normal.</p> </td> </tr> <tr> <td style="width:180px"> <p>mysql_update_per_second</p> </td> <td style="width:170px"> <p>update per second</p> </td> <td style="vertical-align:top; width:434px"> <p>It counts the frequency of UPDATE statement being executed per second. The unit is UPDATE/second.</p> </td> </tr> </tbody> </table>