MongoDB

New MongoDB Exporter Released with Percona Monitoring and Management 2.10.0

MongoDB Exporter Percona Monitoring and Management

With Percona Monitoring and Management (PMM) 2.10.0, Percona is releasing a new MongoDB exporter for Prometheus. It is a complete rewrite from scratch with a totally new approach to collect and expose metrics from MongoDB diagnostic commands.
The MongoDB exporter in the 0.11.x branch exposes only a static list of handpicked metrics with custom names […]

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MongoDB 101: 5 Configuration Options That Impact Security (And How to Set Them)

MongoDB Security

As with any database platform, MongoDB security is of paramount importance to keeping your data safe.  MongoDB and other data platforms like Redis and Elasticsearch are often in the news for data breaches because of misconfigured settings in the database.  So how do you keep you and your company’s data from being compromised and […]

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MongoDB Backup Best Practices

MongoDB Backup Best Practices

Why Take Backups?
Regular database backups are a crucial part of guarding against unintended data loss events. They are even more important for the restoration and continuation of business operations.
In this blog, we will be discussing different backup strategies and their use cases along with Pros and Cons and a few other tips.
Generally, there are […]

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MongoDB 4.4 Performance Regression: Overwhelmed by Memory

MongoDB 4.4 Performance Regression

There is a special collection of database bugs when the system starts to perform worse when given more resources. Examples of such bugs for MySQL I have:
Bug #15815 – This is where InnoDB on an 8-CPU system performed worse than on a 4-CPU system with increased concurrency.
Bug #29847 – This is a similar bug […]

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Percona Server for MongoDB 4.2 vs 4.4 in Python TPCC Benchmark

Percona Server for MongoDB 4.2 vs. 4.4

Following my previous blogs on py-tpcc benchmark for MongoDB, Evaluating the Python TPCC MongoDB Benchmark and Evaluating MongoDB Under Python TPCC 1000W Workload, and the recent release of Percona Server for MongoDB 4.4, I wanted to evaluate 4.2 vs 4.4 in similar scenarios.
Hardware Specs
For the client and server, I will use identical bare metal servers, connected via […]

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