Database Autonomy Service (DAS) Cost-efficient Edition provides enhanced features based on DAS Basic Edition, including the session management, deadlock analysis, and performance insight features. DAS Cost-efficient Edition also supports the automatic tablespace fragment recycling feature. This makes database O&M more efficient and convenient. This topic describes the benefits, supported databases and regions, and billing rules of DAS Cost-efficient Edition.
Feature comparison between DAS Cost-efficient Edition and DAS Basic Edition
You are charged for DAS Cost-efficient Edition based on the subscription billing method. DAS Cost-efficient Edition provides enhanced features based on DAS Basic Edition. The following table describes the features provided by DAS Cost-efficient Edition.
Feature | DAS Basic Edition | DAS Cost-efficient Edition |
You can view sessions and statistics on sessions, identify abnormal sessions, and manage sessions. For example, you can perform SQL throttling and SQL optimization, and terminate sessions. | In addition to the basic session management features, you can also view the transaction information associated with sessions, view the lock information about the current session in a graphical manner, and analyze the abnormal SQL statements of the current session in real time. | |
You can analyze the most recent deadlock that occurs in a session. | You can analyze metadata locks and transaction blocking relationships in the current session in a graphical manner. You can also view the trend chart for deadlocks. | |
You can use the previous version of performance insight. You can collect and analyze data on average active sessions, view trend charts for different categories of sessions, and view the database workloads from multiple dimensions. This can help you identify the root causes of performance issues. | You can use both the new and previous versions of performance insight. You can view the trend charts for resource consumption, number of executions, number of scanned rows, and execution duration of all SQL statements. You can also view the statistics on tables and indexes on which no operations are performed. | |
This feature is unavailable for DAS Basic Edition. | This feature automatically recycles the tablespace fragments of a table in a MySQL database if a metric such as the tablespace size or fragmentation percentage of the table reaches the specified threshold. |
Supported databases and regions
For more information, see the Supported databases and regions section of the "Billing overview" topic.
DAS Cost-efficient Edition is released in phases. For more information, see [Notice] Renaming of DAS Professional Edition to DAS Enterprise Edition and release of DAS Cost-efficient Edition and DAS Enterprise Edition V3.
Billing
For more information, see Billing.