There are currently more than 240 billion photos stored on Facebook servers. Users are uploading an average of 350 million new photos every day. But are all these pictures regularly visited? Think about your Facebook account, do you still want to open the birthday moments shared on Facebook a year ago?

In most cases old photos of the site are rarely visited. Facebook Data Center puts all images ready with equal importance so that it can be accessed quickly at any time.

But you might be surprised to know that 62% of the total Facebook traffic is spent on just 6% of the pictures! This means that people see very few images regularly. So saving the rest of the images in a relatively low-energy data center without leaving them on the main server would be beneficial for both money and the environment. That is why the company is like that Looking for a way out In order to reduce the cost without compromising the user’s Facebook experience.

The social networking site recently planned to build a “cold storage” data center. These servers will have 6 times more storage capacity and 5 times more energy saving than normal storage. It will cost only one-third of the current data center to build these. Most of the computers used in it will be in sleep mode. And some systems will execute user commands while awake.

To access photos stored on cold storage servers, you may need to wait a few seconds or milliseconds longer on older or less visited photos than recent or commonly viewed photo albums, which many may not notice. But in the meantime you will go to the social cold of Facebook!