by Konstantin Trushin | Jan 10, 2025 | Insight for DBAs, MongoDB, Security
When setting up data-at-rest encryption (also known as transparent data encryption) in Percona Server for MongoDB, one has three options for storing a master encryption key: Encryption key file on a filesystem, KMIP server, HashiCorp’s Vault. An encryption key...
by Pablo Claudino | Jan 3, 2025 | Insight for DBAs, MongoDB
by Radoslaw Szulgo | Dec 17, 2024 | Insight for DBAs, MongoDB, Percona Announcements, Percona Software
MongoDB Community Edition 8.0 has been available since October. At Percona, we took the time to examine this release carefully, check performance, and guarantee it works perfectly, stand-alone, and with other tools like Percona Backup for MongoDB and Percona...
by Zelmar Michelini | Dec 2, 2024 | Insight for DBAs, MongoDB
Inconsistent index distribution across shards in a MongoDB sharded cluster is more common than you think, and it occurs because the user creates indexes directly in the shards without using MongoS. This issue can lead to migration failures during chunk migrations,...
by Ivan Groenewold | Oct 30, 2024 | Cloud, Insight for DBAs, MongoDB, Percona Software
Percona Backup for MongoDB (PBM) supports snapshot-based physical backups. This is made possible by the backup cursor functionality present in Percona Server for MongoDB. In a previous post, we discussed Percona Backup for MongoDB and Disk Snapshots in Amazon AWS and...
by Ivan Groenewold | Oct 21, 2024 | Cloud, Insight for DBAs, MongoDB
by Ivan Groenewold | Oct 15, 2024 | Cloud, Insight for DBAs, MongoDB
Percona Backup for MongoDB (PBM) supports snapshot-based physical backups. This is made possible by the backup cursor functionality present in Percona Server for MongoDB. In a previous post, we discussed Percona Backup for MongoDB and Disk Snapshots in Google Cloud...
by Sergey Pronin | Oct 8, 2024 | Cloud, MongoDB, Percona Software
There are various ways to backup and restore Percona Server for MongoDB clusters when you run them on Kubernetes. Percona Operator for MongoDB utilizes Percona Backup for MongoDB (PBM) to take physical and logical backups, continuously upload oplogs to object storage,...
by Ivan Groenewold | Oct 2, 2024 | Cloud, Insight for DBAs, MongoDB, Percona Software
Percona Backup for MongoDB (PBM) supports snapshot-based physical backups. This is made possible by the backup cursor functionality present in Percona Server for MongoDB. The flow of snapshot-based physical backup consists of these stages: Preparing the database...
by Corrado Pandiani | Sep 30, 2024 | Insight for DBAs, MongoDB
MongoDB provides scalability and high availability at ease. If you already have a sharded cluster, you know for sure what the Balancer does. If you are not an experienced MongoDB user, the Balancer is one of the key components of a sharded cluster, and the main goal...
by Ivan Groenewold | Sep 26, 2024 | Insight for DBAs, MongoDB
Recently, one of our customers reported a problem after upgrading a sharded cluster from MongoDB 5.0 to 6.0. The upgrade of data-bearing nodes was fine, but in the final part of the process, where mongos routers needed to be restarted, the new version did not go well....
by Agustin Palazuelos | Sep 11, 2024 | Insight for DBAs, MongoDB
MongoDB high availability is essential to ensure reliability, customer satisfaction, and business resilience in an increasingly interconnected and always-on digital environment. Ensuring high availability for database systems introduces complexity, as databases are...
by Vinodh Krishnaswamy | Sep 9, 2024 | Benchmarks, Database Trends, Insight for DBAs, MongoDB, Open Source
by Vinicius Grippa | Aug 23, 2024 | Insight for DBAs, MongoDB
When working with MongoDB replication in environments using the WiredTiger storage engine, you may encounter data size discrepancies between PRIMARY and SECONDARY nodes. When this problem arises, the SECONDARY node uses significantly more disk space than the PRIMARY...
by Konstantin Trushin | Aug 9, 2024 | Insight for DBAs, MongoDB, Percona Software, Security
Data-at-rest encryption (also known as transparent data encryption or TDE) is a necessary mechanism for ensuring the security of a DBMS deployment. Upcoming releases of Percona Server for MongoDB extend that mechanism with the KMIP key state polling feature. In this...
by Pablo Claudino | Aug 5, 2024 | Insight for DBAs, MongoDB, Percona Software
Companies use specific database versions because they’re proven performers or because it’s hard to keep up with frequent releases. But lagging behind has some major issues. When it’s time to upgrade, is it better to update binaries through each major revision or skip...
by Gautam | Jul 17, 2024 | Insight for DBAs, MongoDB, Percona Software
In the previously posted blog, Compaction in Percona Server for MongoDB (PSMDB), we discussed how compact works before version 4.4. In this blog, we will see how compact works on PSMDB 6.0. I recommend reading the blog post linked above to understand what compact...
by Pete Scott | Jul 17, 2024 | Insight for DBAs, MongoDB, Percona Software
MongoDB Community Edition software might set the stage for achieving your high-volume database goals, but you quickly learn that its features fall short of your enterprise needs. So you look at MongoDB Enterprise software, but its costly and complex licensing...
by Ivan Groenewold | Jul 10, 2024 | Cloud, MongoDB, Percona Software
Percona Everest is the first open source platform designed for automated database provisioning and management. It supports multiple database technologies and can be hosted on any Kubernetes infrastructure, in the cloud or on-premises. It provides an easy-to-use web...
by Jean da Silva | Jul 1, 2024 | Insight for DBAs, MongoDB, Percona Software
Configuring and managing backups is one of the top priorities among the many tasks we deal with daily in our database instances. In this context, it’s not rare to see deployments with more than one mongod process running per node, creating a multi-instance...
