Tag - replica set

MongoDB Replica set Scenarios and Internals

MongoDB replica sets replication internals r

The MongoDB® replica set is a group of nodes with one set as the primary node, and all other nodes set as secondary nodes. Only the primary node accepts “write” operations, while other nodes can only serve “read” operations according to the read preferences defined. In this blog post, we’ll focus on some MongoDB replica set scenarios, […]

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MongoDB: deploy a replica set with transport encryption (part 3/3)

MongoDB Encryption Replica Sets

In this third and final post of the series, we look at how to configure transport encryption on a deployed MongoDB replica set. Security vulnerabilities can arise when internal personnel have legitimate access to the private network, but should not have access to the data. Encrypting intra-node traffic ensures that no one can “sniff” sensitive […]

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Percona Monitoring and Management for MongoDB: Basic Graphs for a Good System Overview

Percona Monitoring and Management for MongoDB

In this blog post, we will discuss how to use Percona Monitoring and Management for MongoDB monitoring, and how to get some key graphs to monitor your MongoDB database.
All production environments need metrics and historical data for easy and fast comparison of performance, throughput in the time.
Percona Monitoring and Management (PMM) can help your […]

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Last Resort: How to Use a Backup to Start a Secondary Instance for MongoDB

Backup to Start a Secondary

In this blog post, I’ll look at how you can use a backup to start a secondary instance for MongoDB.
Although the documentation says it is not possible to use a backup to start a secondary, sometimes this is the only possible way to start a new instance. In this blog post, we will explain how […]

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