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Percona Documentation

Percona Backup for MongoDB 2.2.0 (2023-07-13)

Release date July 13, 2023
Installation Installing Percona Backup for MongoDB

Percona Backup for MongoDB is a distributed, low-impact solution for consistent backups of MongoDB sharded clusters and replica sets. This is a tool for creating consistent backups across a MongoDB sharded cluster (or a non-sharded replica set), and for restoring those backups to a specific point in time.

Release Highlights

  • Point-in-time recovery from physical backups is now automated similar to point-in-time recovery from logical ones. This offloads your DBAs on performing manual oplog replay on top of physical restore, ensures data consistency and unifies the user experience with PBM.
  • Owners of large data sets can now use PBM to create external physical backups as EBS snapshots or via a technology of their choice and restore from those backups with the data consistency guaranteed by PBM. Thereby they benefit from increased performance and reduced downtime, and are sure that their data remains consistent. This is the technical preview feature.
  • The ability to restore from physical and incremental backups to a new environment with different replica set names extends the set of compatible environments for physical restore.

New Features

  • PBM-952 - Add ability to make external backups
  • PBM-815 - Automated point-in-time recovery for physical backups

Improvements

  • PBM-1055 - Add ability to configure replica set remapping for physical and incremental restores
  • PBM-1118 - Support custom shard names for restores with replica set remapping
  • PBM-1132 - Disallow using the --ns flag for physical and incremental backups and restores
  • PBM-1133 - Add support for virtual-hosted–style URL for s3 storage buckets
  • PBM-1062 - Add a supported PSMDB version check per backup type

Bugs Fixed

  • PBM-1090 - Fixed the issue with the E11000 duplicate key error by applying the indexes building after the oplog replay operation
  • PBM-1095 - Fixed the authentication error during selective backup by changing the authSource to admin on config server replica set
  • PBM-1103 - Changed the warning message for incompatible backups in the pbm status output.
  • PBM-1123 - Fixed the issue with the restore by skipping the config.image_collection collection
  • PBM-1135 - Fixed the issue with physical backup failure on a sharded cluster

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