Percona Resources

Software
Downloads

All of Percona’s open source software products, in one place, to download as much or as little as you need.

Valkey Contribution

Product Documentation

Why Percona for MongoDB?

Why Percona for PostgreSQL?

Percona Blog

Percona Blog

Our popular knowledge center for all Percona products and all related topics.

Community

Percona Community Hub

A place to stay in touch with the open-source community

Events

Percona Events Hub

See all of Percona’s upcoming events and view materials like webinars and forums from past events

About

About Percona

Percona is an open source database software, support, and services company that helps make databases and applications run better.

Percona in the News

See Percona’s recent news coverage, press releases and industry recognition for our open source software and support.

Our Customers

Our Partners

Careers

Contact Us

Aayushi Mangal
Aayushi Mangal is a Support Engineer with Percona. Previously, she worked as a NoSQL Database Administrator for the retail based MNC. Her experience includes work as a database developer, database administrator, and as a web designer. Living in India, Aayushi is fond of nature, sightseeing and peace.

MongoDB Engines: MMAPV1 Vs WiredTiger

In this post, we’ll take a look at the differences between the MMAP and WiredTiger engines in MongoDB®. I’ve been asked this question by customers many times, and this blog is for you! We’ll tell you about the key features of these engines, then you can choose the right engine based on your requirement. In […]

MongoDB Replica set Scenarios and Internals – Part 1

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, and […]

Zone Based Sharding in MongoDB

In this blog post, we will discuss about how to use zone based sharding to deploy a sharded MongoDB cluster in a customized manner so that the queries and data will be redirected per geographical groupings. This feature of MongoDB is a part of its Data Center Awareness, that allows queries to be routed to particular […]

MongoDB Replica Set Tag Sets

In this blog post, we will look at MongoDB replica set tag sets, which enable you to use customized write concern and read preferences for replica set members. This blog post will cover most of the questions that come to mind before using tag sets in a production environment. What scenarios are these helpful for? […]

MongoDB 3.6 Security Improvements

In this blog post, we’ll look at MongoDB 3.6 security improvements. As we’ve already talked about in this series, MongoDB 3.6 has a number of new features in it. But we have talked less about the new security enhancements in this release. The MongoDB 3.6 security features are particularly exciting. Some of these are just […]