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        • Release Highlights
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    • Release Highlights

    Percona Distribution for MongoDB 5.0.9 (2022-06-20)¶

    Release date: June 20, 2022
    Installation: Installing Percona Distribution for MongoDB

    Warning

    We don’t recommend this version for the production use due to the critical issue with sharding metadata inconsistency: SERVER-68511. The metadata inconsistency is observed when running the movePrimary command on the database that has the Feature Compatibility Version (FCV) set to 4.4 or earlier. Affects MongoDB versions 5.0.0 through 5.0.10 and MongoDB 6.0.0. Upgrade to the fixed version of MongoDB 5.0.11 / Percona Server for MongoDB 5.0.11-10 or Percona Distribution for MongoDB 5.0.11 as soon as possible.

    Please follow closely the upstream recommendations outlined in SERVER-68511 to work around this issue and for the remediation steps, if your cluster is affected.

    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 5.0.9-8 and Percona Backup for MongoDB 1.8.0.

    Release Highlights¶

    • This release of Percona Distribution for MongoDB provides the following improvements to the data-at-rest encryption using the Keys Management Interoperability Protocol (KMIP) (tech preview 1 feature):

      • the support of multiple KMIP servers as the failover to your setup

      • the ability to set KMIP client certificate passwords through a flag to simplify the migration from MongoDB Enterprise to Percona Server for MongoDB

    • Added support for Ubuntu 22.04 for Percona Server for MongoDB and Percona Backup for MongoDB.

    • Added improvements to initial syncs from a secondary sync source.

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

    • Detect namespace changes when refreshing Collection after yielding to maintain data consistency and avoid stale catalogs.

    • Fixed the issue with releasing the critical state too early when sharding an empty collection. This could result in unwanted writes to that collection.

    • Fixed the wrong key/value returning during search near when the key doesn’t exist

    Percona Backup for MongoDB 1.8.0 improvements include the following:

    • Ability to restore data to a replica set with a different name and configuration. This extends the list of environments compatible for the restore.

    • When you use EBS-snapshots or other tools for physical backups, you no longer have to create a mandatory base backup snapshot in Percona Backup for MongoDB as the starting point for Point-in-Time Recovery oplog slicing. This reduces time and effort on managing excessive backups and makes Point-in-time recovery from physical or storage-level backups more straightforward.

    • The ability to wait for the backup operation to finish before doing further actions through the session lock. This simplifies the automation of operations with Percona Backup for MongoDB.

    • Ability to define backup compression level and method in Percona Backup for MongoDB configuration.

    • To simplify the Percona Backup for MongoDB configuration, the example configuration file is now included in the Percona Backup for MongoDB package.


    1. Tech Preview Features are not yet ready for enterprise use and are not included in support via SLA. They are included in this release so that users can provide feedback prior to the full release of the feature in a future GA release (or removal of the feature if it is deemed not useful). This functionality can change (APIs, CLIs, etc.) from tech preview to GA. ↩

    Contact Us

    For free technical help, visit the Percona Community Forum.

    To report bugs or submit feature requests, open a JIRA ticket.

    For paid support and managed or consulting services , contact Percona Sales.


    Last update: January 3, 2023
    Created: December 9, 2022
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