Is MySQL used by Facebook?

At Facebook we use MySQL to manage many petabytes of data, along with the InnoDB storage engine that serves social activities such as likes, comments, and shares.

What database system does Facebook use?

MySQL
MySQL is the primary database used by Facebook for storing all the social data.

Does Facebook use RocksDB?

Today, we are open-sourcing RocksDB, an embeddable, persistent key-value store for fast storage that we built and use here at Facebook.

Does Facebook use SQL or NoSQL?

NoSQL database systems are distributed, non-relational databases that also use non-SQL language and mechanisms in working with data. NoSQL databases can be found in companies like Amazon, Google, Netflix, and Facebook that are dependent on large volumes of data not suited to relational databases.

Does Facebook use PHP and MySQL?

Facebook still uses PHP, but it has built a compiler for it so it can be turned into native code on its web servers, thus boosting performance. Facebook uses Linux, but has optimized it for its own purposes (especially in terms of network throughput).

Which big companies use MySQL?

5524 companies reportedly use MySQL in their tech stacks, including Uber, Airbnb, and Pinterest.

• Uber.
• Airbnb.
• Pinterest.
• Netflix.
• Shopify.
• Amazon.
• Udemy.
• Twitter.

How does Facebook shard MySQL?

The entire data set is split into thousands of shards, and every instance holds a group of such shards, each in its own database schema. A Facebook user’s profile is assigned to a shard when the profile is created and every shard holds data relating to thousands of users.

Does Netflix use a relational database?

In the Netflix data center, we primarily use Oracle to persist data. In parts of the movie recommendation infrastructure, we use MySQL. Both are relational databases.