What type of database does Facebook use?

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

How Facebook manages its data?

Tracking cookies: Facebook tracks its users across the web by using tracking cookies. If a user is logged into Facebook and simultaneously browses other websites, Facebook can track the sites they are visiting.

What happened to news feeds on Facebook?

Facebook Removed The News Feed Algorithm In An Experiment. Then It Gave Up. Facebook Removed The News Feed Algorithm In An Experiment. Then It Gave Up.

Does Facebook use database?

Facebook was developed from the ground up using open source software. The site is written primarily in the PHP programming language and uses a MySQL database infrastructure. Facebook has one of the largest MySQL database clusters anywhere, and is the world’s largest users of memcached, an open source caching system.

How does Facebook support itself financially?

Facebook makes money predominantly by showing ads from advertisers within its Facebook and Instagram apps. Advertising represented 98\% of Facebook’s $86bn revenue in 2020. The remaining 2\% of revenue came mainly from selling Oculus and Portal devices and also payment fees from developers.

What is Facebook data?

Facebook’s user data extends far beyond the basic biographical information that most share. Facebook also tracks users on other sites and apps, collects so-called biometric facial data and allows marketers to target people who express an interest in certain health conditions.

Does Facebook use a relational database?

Facebook uses a relational database to keep the primary data. Facebook uses more than 1000 MySql servers to keep the data (it’s so called universal (multi tenant) database). The database is heavily sharded and replicated.

Does Facebook use Oracle?

Google and Facebook use Oracle, not for their main product but for their back-office. eBay also used Oracle in the past (if you dig back in the past of their architecture/design of eBay).

What is Facebook News Feed vs your story?

News feed houses a person’s post for a lifetime, until the user manually deletes the post. On the other hand, story is a temporary form of content, which gets automatically deleted after 24 hours from your friends’ view.

Among them, few of the databases are: Facebook uses MYSQL as the primary database management system for all the structured data storage such as the different wall posts, information of the various users, their timeline and so on. This particular data is being circulated between their different data centers.

Why does Facebook use Memcached to store its data?

The reason behind using Memcached by Facebook is it gives low inherent access to a storage shared pool at an affordable cost. This helps Facebook to construct a data-intensive facility that may also be impractical.

Why did FBFB choose to scale the MySQL database?

FB had no choice but to massively scale the MySQL database layer responsible for its user’s social graph. Neither MySQL nor the other SQL databases available at that time could solve this problem on their own.

Why do we use MySQL for Facebook?

There are quite many reasons for using MYSQL for Facebook. Since it is easy to manage the huge number of MYSQL servers, so providing good quality service becomes easy at the same time.