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Percona Software for MongoDB Documentation

Percona Distribution for MongoDB 5.0.19 (2023-08-10)

Release date: August 10, 2023
Installation: Installing Percona Distribution for MongoDB

Percona Distribution for MongoDB is a freely available MongoDB database alternative, giving you a single solution that combines enterprise components from the open source community, designed and tested to work together. The aim of Percona Distribution for MongoDB is to enable you to run and operate your MongoDB efficiently with the data being consistently backed up.

Percona Distribution for MongoDB includes the following components:

  • Percona Server for MongoDB is a fully compatible source-available, drop-in replacement for MongoDB.

  • Percona Backup for MongoDB is a distributed, low-impact solution for achieving consistent backups of MongoDB sharded clusters and replica sets.

This release of Percona Distribution for MongoDB is based on Percona Server for MongoDB 5.0.19-16 and Percona Backup for MongoDB 2.2.1.

Release Highlights

The bug fixes and improvements provided by MongoDB and included in Percona Server for MongoDB are the following:

  • The ability to configure AWS STS endpoint improves authentication and connectivity with AWS services.
  • Allowed automatic retry of time series insert on DuplicateKey error.
  • Prevented unnecessary logging of WriteConflictExceptions during the execution of a findAndModify command.
  • Changed the index build behavior so that in-progress index builds are no longer accounted for indexFreeStorageSize when running dbStats.
  • Fixed performance issues of the aggregation framework by improving the Value::hash_combine() function operation on big-endian platforms.
  • Enabled session dhandle sweep and session cursor sweep to run more often.

Percona Backup for MongoDB 2.2.x improvements include the following:

  • Automated Point-in-time recovery from physical backups offloads your DBAs from 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.
  • The ability to increase the wait time for physical backup to start eliminates the PBM failure when creating $backupCursor takes longer than usual.

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Last update: August 10, 2023
Created: August 10, 2023