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Percona Documentation

Percona Backup for MongoDB 2.0.3 (2023-01-11)

Release date January 11, 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

  • Incremental physical backups enable you to reduce storage costs and facilitate data safety for business crucial data. By saving only the differences results in faster completion time and makes IB much smaller in size compared to full backups. As such, you save on storage space and data transfer in case of cloud setups. This is the technical preview feature, yet we welcome your feedback to improve the functionality.
  • Now you can selectively back up and restore unsharded collections in sharded clusters. This extends the data set to work with.
  • Added support of AWS IRSA (Identity Roles for Service Accounts) credentials allows Percona Backup for MongoDB running in a pod to access the AWS storage using the IAM roles. This increases the security of your cloud infrastructure and enables you to control the access to it from a single place.
  • Percona Backup for MongoDB is now available on Red Hat Enterprise Linux 9 and compatible derivatives

New Features

  • PBM-999 - Incremental physical backups support
  • PBM-962 - Add support for selective backup / restore of unsharded collections in a sharded cluster

Improvements

  • PBM-998, PBM-1002 - Ensure that PBM waits for the mongod to stop / start completely during physical restore
  • PBM-1009 - Add AWS IRSA credentials support (Thanks to the user pastequo for contributing to this feature)
  • PBM-1018 - Include the pbm-agent-entrypoint binary into the percona-backup-mongodb package and tarball

Bugs Fixed

  • PBM-932 - Fix the data access from mongos after selective restore on a new cluster
  • PBM-981 - Prevent showing the ERROR status while backup is running
  • PBM-1003 - Fix the ability to restore with remapping replica set names (Thanks to user Piotr Krogulec for reporting this issue and to user ziollek for contributing to it)
  • PBM-1006 - Fix the pbm-agent crash during physical restore by initializing the logger for storage
  • PBM-1008 - Fix the selective PITR restore for a collection created after the full backup
  • PBM-1016 - Fix the error handling for pbm describe-backup command

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