This topic describes the release notes for Database Autonomy Service (DAS) and provides links to the relevant references.
December 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB for Redis | Slow request analysis | Trends, statistics, and details of slow query log records can be queried. | 2020-12-23 | Slow query log analysis |
| ApsaraDB for MongoDB | Slow query log analysis | Trends, statistics, and details of slow query records can be queried. | 2020-12-16 | Slow query logs |
November 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL | SQL Explorer and Audit | The SQL search, SQL Explorer, and security audit features are combined into the SQL Explorer and Audit feature. This can help you obtain information about SQL statements, troubleshoot performance issues, and identify high-risk request sources in a more efficient manner. | 2020-11-19 | Overview |
| ApsaraDB RDS for MySQL | Detection and identification of abnormal SQL statements | SQL requests can be aggregated and filtered by using machine learning. This can help you identify abnormal SQL statements in a fast, efficient, and accurate manner. | 2020-11-05 | Abnormal SQL request identification |
October 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL | DAS Professional Edition | DAS Professional Edition provides security audit features to ensure data security. The security audit features can help you identify high-risk SQL statements, detect SQL injection attacks, and identify new access sources. | 2020-10-29 | Overview |
| ApsaraDB for Redis | Cache analysis | Backup files of ApsaraDB for Redis instances can be analyzed to provide information about the total memory usage and the memory used by each big key. This feature helps you reduce issues such as insufficient memory and performance degradation that are caused by skewed keys. | 2020-10-26 | Cache analysis |
September 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL | SQL search | Information about SQL statements can be queried and exported. | 2020-09-25 | Search |
| ApsaraDB RDS for MySQL | SQL Explorer | The health status of SQL statements can be diagnosed. This can help you troubleshoot performance issues. | 2020-09-25 | SQL Explorer |
| ApsaraDB RDS for MySQL | Security audit | Risks such as high-risk SQL statements, SQL injections, and new access sources can be automatically identified by DAS. | 2020-09-25 | Security audit |
August 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL and ApsaraDB RDS for PostgreSQL | Analysis of slow query logs | Trends, statistics, and details of slow query records can be queried. | 2020-08-24 | Slow query log analysis |
| ApsaraDB for MongoDB | Performance trends | Performance trends of database instances can be queried by using multiple methods. You can view performance trends in a specified time range, compare performance trends based on specified dates, and create a custom monitoring dashboard to display the performance trend charts that you want to view. | 2020-08-20 | Performance trends |
| ApsaraDB for MongoDB | Dashboard | A custom monitoring dashboard can be created to display information about multiple database instances and metrics. This way, you can correlate, compare, and view the monitoring data of your database instances for daily O&M. | 2020-08-11 | Monitoring dashboards |
| ApsaraDB for MongoDB | Configure alerting | Custom alert rules and templates can be created. If an alert rule is triggered by a database instance, DAS automatically sends an alert. | 2020-08-05 | Configure alerting |
July 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB for Redis | Instance sessions | Information about sessions between an ApsaraDB for Redis instance and a client can be queried in real time. The information includes the client information, the commands that are run, and the connection duration. You can terminate abnormal sessions based on your business requirements. | 2020-07-12 | Instance sessions |
June 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB for Redis | Performance trends | Performance trends of database instances can be queried by using multiple methods. You can view performance trends in a specified time range, compare performance trends based on specified dates, and create a custom monitoring dashboard to display the performance trend charts that you want to view. | 2020-06-18 | Performance trends |
| ApsaraDB for Redis | Dashboard | A custom monitoring dashboard can be created to display information about multiple database instances and metrics. This way, you can correlate, compare, and view the monitoring data of your database instances for daily O&M. | 2020-06-12 | Monitoring dashboards |
| ApsaraDB for Redis | Configure alerting | Custom alert rules and templates can be created. If an alert rule is triggered by a database instance, DAS automatically sends an alert. | 2020-06-08 | Configure alerting |
May 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL and ApsaraDB RDS for PostgreSQL | Storage analysis | The storage usage of a database instance and the number of days for which the remaining storage space is available can be viewed. You can view the storage information about each table in a database, such as storage usage, tablespace fragments, and diagnostic reports on storage anomalies. | 2020-05-24 | Storage analysis |
| ApsaraDB RDS for MySQL | Capacity assessment | Suggestions on capacity optimization, performance capacity, memory usage, storage usage, and the number of days that the remaining storage space is available can be viewed. | 2020-05-22 | Capacity assessment |
| ApsaraDB RDS for MySQL | Session management | The session statistics of a database instance can be queried. | 2020-05-14 | Session management |
| ApsaraDB RDS for MySQL and ApsaraDB RDS for PostgreSQL | Deadlock analysis | The most recent deadlock in a database can be queried and analyzed. | 2020-05-11 | Deadlock analysis |
| ApsaraDB RDS for MySQL and ApsaraDB RDS for PostgreSQL | 10-second SQL analysis | SQL statements that are executed at the most frequent rate and whether slow SQL queries exist can be analyzed within a 10-second time window. | 2020-05-02 | 10-second SQL analysis |
April 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL | Dashboard | A custom monitoring dashboard can be created to display information about multiple database instances and metrics. This way, you can correlate, compare, and view the monitoring data of your database instances for daily O&M. | 2020-04-18 | Monitoring dashboards |
| ApsaraDB RDS for MySQL | Performance trends | Performance trends of database instances can be queried by using multiple methods. You can view performance trends in a specified time range, compare performance trends based on specified dates, and create a custom monitoring dashboard to display the performance trend charts that you want to view. | 2020-04-17 | Performance trends |
| ApsaraDB RDS for MySQL | Configure alerting | Custom alert rules and templates can be created. If an alert rule is triggered by a database instance, DAS automatically sends an alert. | 2020-04-16 | Configure alerting |
March 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL | Diagnostics | The performance overview of each database instance can be viewed and performance issues can be identified based on the performance overview. | 2020-03-16 | Diagnostics |
| ApsaraDB RDS for MySQL | Diagnostic reports | Diagnostic reports of database instances can be created and queried. | 2020-03-16 | Diagnostic reports |
| ApsaraDB RDS for MySQL | SQL diagnostics | Abnormal SQL statements can be identified. | 2020-03-16 | SQL diagnostics |
| ApsaraDB for Redis | 24/7 anomaly detection | Anomalies on database instances can be detected in a more efficient manner by using the 24/7 anomaly detection feature compared with using detection methods based on threshold values. | 2020-03-16 | Anomaly detection |
| ApsaraDB for Redis | Automatic performance scaling | Database instances can be automatically scaled up to handle traffic spikes. | 2020-03-16 | Automatic performance scaling |
February 2020
| Database engine | Feature | Description | Release date | References |
|---|---|---|---|---|
| ApsaraDB RDS for MySQL | Automatic performance scaling | Database instances can be automatically scaled up to handle traffic spikes. | 2020-02-19 | Automatic performance scaling |
| ApsaraDB RDS for MySQL | Automatic SQL optimization | Online DDL that is supported by the MySQL kernel is used to prevent table locking. | 2020-02-19 | Automatic SQL optimization |
| ApsaraDB RDS for MySQL | Automatic SQL throttling | Conditions that trigger automatic SQL throttling can be configured. If the specified conditions are met, SQL throttling is automatically triggered. | 2020-02-19 | Automatic SQL throttling |
| ApsaraDB RDS for MySQL | 24/7 exception detection | Anomalies on database instances can be detected in a more efficient manner by using the 24/7 anomaly detection feature compared with using detection methods based on threshold values. | 2020-02-19 | Performance anomaly detection |
| ApsaraDB RDS for MySQL | Event subscription | Event subscription policies can be configured. DAS sends notifications based on the specified notification delivery methods if events are triggered. | 2020-02-19 | Event subscription |
| ApsaraDB RDS for MySQL | Autonomy service | Events that occur within a specified time range can be queried. You can query anomalies, optimization events, auto scaling events, and other events. | 2020-02-19 | Autonomy center |