Tag: MongoDB

This is the third and final post in the series of blog posts for MongoDB replica set backups with Point In Time Recovery (PITR). This will be focused on restores, particularly details on PITR using the full and incremental backups….

This is the second post in the series of blog posts for MongoDB replica set backups. I’ll try to show you how to properly run incremental backups using the oplog.rs collection. Restores with PITR using the full and incremental backups…

In this series of blog posts for MongoDB replica sets, I will show you how to properly run full backups using lvm snapshot followed by incremental backups using the oplog. I will also cover restores with point in time recovery…

Percona Live is always a great opportunity to learn from the best and brightest in the open-source database community. This time, Percona Live Europe is being held at the Hilton Amsterdam Airport Schiphol, The Netherlands from September 30 to October…

Percona Live provides the open source database community with an opportunity to discover and discuss the latest open source trends, technologies, and innovations. The conference includes the best and brightest innovators and influencers in the open source database industry. This…

Indexes increase read performance and allow queries to access data faster. But they also need to be updated when the indexed keys are created or modified, which consumes additional time to complete C*UD operations. In this blog post, we will…

Indexing plays a quintessential role in database query performance and MongoDB is no exception. Choosing the best index for a query will improve its performance, while a bad one could lead to huge execution times and high memory utilization. In…

Recently a client came to me asking “How do we verify if a full text search index is being used on MongoDB?” The db.showIndexes() command shows an index on a text field, but explain() shows COLLSCAN and the query is…

DataOps Barcelona is an event organized by Binlogic and will be taking place June 21-22, 2018 in Barcelona, Spain. Pythian is proud to be supporting this inaugural open source-focused conference in Europe! DataOps is of course short for “Database +…

I had interesting use case with a MongoDB replica set I’d like to share. When the replica set consists of four nodes and the Primary goes down, no new node is elected to become the new Primary. The replica set…