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GautamIn 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 does, how to check dataSize, and how much space we can […]
In this blog post, we will discuss how we can migrate data from MongoDB Atlas to self-hosted MongoDB. There are a couple of third-party tools in the market to migrate data from Atlas to Pecona Server for MongoDB (PSMDB), like MongoPush, Hummingbird, and MongoShake. Today, we are going to discuss how to use MongoShake and […]
Before Percona Server for MongoDB 4.4 (PSMDB), the best practice to create an index was doing it in a rolling manner. Many folks used to create directly on Primary, resulting in the first index being created successfully on Primary and then replicated to Secondary nodes. Starting from PSMDB 4.4, there was a new parameter commitQuorum […]
‘E11000 duplicate key error’ is an error that you might have encountered during the restore process. In this blog, we will talk about in what scenario you might face this error when restoring Oplog for PITR (point-in-time recovery). You might wonder why this error will come during PITR as the operations in the Oplog are […]
Running a customer’s technical infrastructure often necessitates making changes in response to the shifting requirements of the industry. Thankfully, with the introduction of cloud computing, adapting the infrastructure has never been easier. These days, we can quickly add or remove resources as conditions dictate. Historically, businesses’ storage capacity needs have fluctuated, and responding to these […]
Compaction in Percona Server for MongoDB (PSMDB) There are two ways to reclaim disk space in Percona Server for MongoDB (PSMDB): run compact on nodes or resync the node. In this blog, we will see the best practice for reclaiming the fragmented space on a disk in PSMDB using compact. Disk storage is a critical resource […]
Percona Server for MongoDB (PSMDB) upgrade, major and minor versions In this blog, we will see the best practices for upgrading major and minor versions of the clusters (Replica Set and Shard Cluster) with no downtime, in a rolling manner. Percona Server for MongoDB (PSMDB) has versions like A.B.C where A.B refers to the major […]