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January 10, 2025
Prevent Encryption Key Loss When Using Percona Server for MongoDB with HashiCorp’s Vault
When setting up data-at-rest encryption (also known as transparent data encryption) in Percona Server for MongoDB, one has three options [...]
January 3, 2025
Debugging a Binary Data Oplog Replay Issue in MongoDB
This blog post follows up on my previous one, How to Upgrade MongoDB Using Backups Through Many Major Versions, in [...]
December 17, 2024
Percona Server for MongoDB 8.0: The Most Performant Ever
MongoDB Community Edition 8.0 has been available since October. At Percona, we took the time to examine this release carefully, [...]
December 2, 2024
Checking Index Consistency on a Sharded Cluster in MongoDB
Inconsistent index distribution across shards in a MongoDB sharded cluster is more common than you think, and it occurs because [...]
October 30, 2024
Percona Backup for MongoDB and Disk Snapshots in Amazon AWS – Part 2
Percona Backup for MongoDB (PBM) supports snapshot-based physical backups. This is made possible by the backup cursor functionality present in [...]
October 21, 2024
Percona Backup for MongoDB and Disk Snapshots in Amazon AWS
We recently covered the use case of Percona Backup for MongoDB and Disk Snapshots in Google Cloud Platform; now it’s time [...]
October 15, 2024
Percona Backup for MongoDB and Disk Snapshots in Google Cloud Platform – Part 2
Percona Backup for MongoDB (PBM) supports snapshot-based physical backups. This is made possible by the backup cursor functionality present in [...]
October 8, 2024
Unlocking the Power of Cloud Snapshots: Backup and Restore Your MongoDB Clusters on Kubernetes
There are various ways to backup and restore Percona Server for MongoDB clusters when you run them on Kubernetes. Percona [...]
October 2, 2024
Percona Backup for MongoDB and Disk Snapshots in Google Cloud Platform
Percona Backup for MongoDB (PBM) supports snapshot-based physical backups. This is made possible by the backup cursor functionality present in [...]
September 30, 2024
MongoDB: New Balancer Policy and Automerger
MongoDB provides scalability and high availability at ease. If you already have a sharded cluster, you know for sure what [...]
September 26, 2024
Dealing with a ‘DatabaseVersion.timestamp’ Error After a MongoDB Upgrade
Recently, one of our customers reported a problem after upgrading a sharded cluster from MongoDB 5.0 to 6.0. The upgrade [...]
September 12, 2024
Simplify User Management with Percona Operator for MongoDB
Managing database users within complex CICD pipelines and GitOps workflows has long been a challenge for MongoDB deployments. With Percona [...]
September 11, 2024
MongoDB: High Availability Topology for a Multi-Region Setting
MongoDB high availability is essential to ensure reliability, customer satisfaction, and business resilience in an increasingly interconnected and always-on digital [...]
September 9, 2024
MongoDB Performance Regression Benchmarking and the Truth Behind Journaling
I have always been wondering about performance regression when upgrading in MongoDB. From MongoDB v3.6, despite continuous improvement in the [...]
September 4, 2024
Percona In-Product Telemetry: Updates, Findings, and News
This article is, in fact, two topics merged into one publication. Both are related to anonymous statistical data collection within [...]
August 23, 2024
Addressing Data Size Differences in MongoDB Replica Set Nodes
When working with MongoDB replication in environments using the WiredTiger storage engine, you may encounter data size discrepancies between PRIMARY [...]
August 9, 2024
Improve the Security of a Percona Server for MongoDB Deployment with KMIP Key State Polling
Data-at-rest encryption (also known as transparent data encryption or TDE) is a necessary mechanism for ensuring the security of a [...]
August 5, 2024
How to Upgrade MongoDB Using Backups Through Many Major Versions
Companies use specific database versions because they’re proven performers or because it’s hard to keep up with frequent releases. But [...]
July 17, 2024
Using Compact in Percona Server for MongoDB From Version 4.4+
In the previously posted blog, Compaction in Percona Server for MongoDB (PSMDB), we discussed how compact works before version 4.4. [...]
July 17, 2024
An Enterprise-Grade MongoDB Alternative Without Licensing or Lock-in
MongoDB Community Edition software might set the stage for achieving your high-volume database goals, but you quickly learn that its [...]