This topic describes the release notes for ApsaraDB for MongoDB in 2021 and provides links to the relevant references.

September 2021

Feature Description Release date Supported region References
Mongos or shard nodes batch added You can batch add mongos or shard nodes for ApsaraDB for MongoDB sharded cluster instances.
Note You can add a maximum of 32 mongos or shard nodes for each ApsaraDB for MongoDB sharded cluster instance. If you need more than 32 mongos or shard nodes in a sharded cluster instance, submit a ticket.
2021-09-16 All
Update of backup features in ApsaraDB for MongoDB The following backup features are updated for ApsaraDB for MongoDB:
  • Backup retention period.

    The backup retention period is changed from a fixed value of 7 days to a range of 7 to 730 days. The new default value is 30 days.

  • Backup frequency.

    The backup frequency is changed from one to seven backups each week to two to seven backups each week. The default value remains at seven backups each week.

  • Log backup.

    You can enable or disable the log backup feature for ApsaraDB for MongoDB replica set and sharded cluster instances. A visual list of log backup files is provided to allow you to view log backup details.

2021-09-10 All

August 2021

July 2021

Feature Description Release date Supported region References
Configuration change of multiple mongos and shard nodes for ApsaraDB for MongoDB sharded cluster instances The configurations of multiple mongos and shard nodes can be changed for ApsaraDB for MongoDB sharded cluster instances. The following configuration changes are supported:
  • The specifications of multiple mongos nodes can be changed.
  • The specifications, storage capacity, and number of read-only nodes of multiple shard nodes can be changed.
    Note The number of read-only nodes can be changed only for subscription sharded cluster instances.
2021-07-08 All

May 2021

Feature Description Release date Supported region References
Manual release of mongos and shard nodes Mongos and shard nodes can be manually released for ApsaraDB for MongoDB sharded cluster instances. The following rules apply:
  • Mongos nodes can be released for sharded cluster instances that have at least three mongos nodes.
  • Shard nodes can be released for sharded cluster instances that have at least three shard nodes.
2021-05-08 All Release an instance or a node

More features

For more information, see Product Updates.