Data compression is the compacting of information by decreasing the number of bits which are stored or transmitted. This way, the compressed information takes substantially less disk space than the original one, so extra content could be stored using the same amount of space. There are various compression algorithms that function in different ways and with many of them just the redundant bits are erased, so once the info is uncompressed, there's no decrease in quality. Others delete unneeded bits, but uncompressing the data at a later time will lead to reduced quality in comparison with the original. Compressing and uncompressing content needs a huge amount of system resources, in particular CPU processing time, therefore each and every Internet hosting platform which uses compression in real time must have ample power to support that attribute. An example how information can be compressed is to replace a binary code such as 111111 with 6x1 i.e. "remembering" how many consecutive 1s or 0s there should be instead of storing the whole code.

Data Compression in Hosting

The compression algorithm which we work with on the cloud internet hosting platform where your new hosting account shall be created is called LZ4 and it is applied by the exceptional ZFS file system that powers the platform. The algorithm is a lot better than the ones other file systems employ because its compression ratio is much higher and it processes data a lot faster. The speed is most noticeable when content is being uncompressed as this happens at a faster rate than data can be read from a hard disk drive. Because of this, LZ4 improves the performance of each site hosted on a server which uses this algorithm. We use LZ4 in an additional way - its speed and compression ratio make it possible for us to make several daily backups of the full content of all accounts and keep them for a month. Not only do the backups take less space, but also their generation doesn't slow the servers down like it often happens with other file systems.

Data Compression in Semi-dedicated Servers

The semi-dedicated server plans which we supply are created on a powerful cloud platform that runs on the ZFS file system. ZFS uses a compression algorithm known as LZ4 that is superior to any other algorithm you will find in terms of speed and data compression ratio when it comes to processing web content. This is valid particularly when data is uncompressed because LZ4 does that a lot faster than it would be to read uncompressed data from a hard drive and owing to this, websites running on a platform where LZ4 is enabled will function at a higher speed. We are able to benefit from the feature regardless of the fact that it requires quite a large amount of CPU processing time as our platform uses a number of powerful servers working together and we never make accounts on just a single machine like many companies do. There's an additional benefit of using LZ4 - given that it compresses data really well and does that extremely fast, we can also generate multiple daily backup copies of all accounts without affecting the performance of the servers and keep them for 30 days. In this way, you will always be able to restore any content that you delete by mistake.