Change History

2021-12-30

This issue is the fourteenth official release, which incorporates the following change:

Added How Do I Retrieve Lost DDS Backup Data?

2021-10-30

This issue is the thirteenth official release, which incorporates the following changes:

• Added Can I Change the Time Zone of a DDS Instance?
• Added How Do I Use MapReduce Commands?

2021-05-30

This issue is the twelfth official release, which incorporates the following change:

• Added Why Does a DDS DB Instance Become Read-only?
• Added Do Applications Need to Support Automatic Reconnecting to the DDS Database?

2021-03-30

This issue is the eleventh official release, which incorporates the following change:

Added Does DDS Delete Expired Data Using TTL Indexes?

2020-08-30

This issue is the eighth official release, which incorporates the following changes:

Added How Do I Clear an Alarm Saying the Shard Memory Usage Exceeds 90%?

2020-07-30

This issue is the seventh official release, which incorporates the following changes:

Added How Is Data Transferred Between the Primary and Secondary Nodes of a Replica Set?

2020-05-30

This issue is the sixth official release, which incorporates the following change:

Added Does DDS Support Multi-AZ Deployment?

2020-04-30

This issue is the fifth official release, which incorporates the following change:

Added What Are the Differences Between Instance Deletion and Unsubscription?

2019-11-11

This issue is the fourth official release, which incorporates the following changes:

• Added When Will a Primary/Standby Switchover Be Triggered for a Cluster or Replica Set?
• Added What Can I Do If the Number of Connections of an Instance Reaches Its Maximum?
• Added What Can I Do If a Query Error Is Reported After Data Is Written Into the DDS Cluster?
• Modified section What DB Instance Monitoring Metrics Do I Need to Pay Attention To?
• Added Will I Be Charged for Manual Backups of Deleted DB Instances?

2019-10-18

This issue is the third official release, which incorporates the following changes:

• Added How Do I Query and Limit the Number of Connections?
• Added How Do I Install Robo 3T?

2018-11-02

This issue is the second official release, which incorporates the following changes:

Modified the content in How Can I Install a MongoDB Client?

2018-05-04

This issue is the first official release.