Data compression is the compacting of information by lowering the number of bits which are stored or transmitted. Because of this, the compressed data will need substantially less disk space than the initial 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 a number of them just the redundant bits are removed, therefore once the information is uncompressed, there's no loss of quality. Others delete unnecessary bits, but uncompressing the data afterwards will result in reduced quality compared to the original. Compressing and uncompressing content needs a large amount of system resources, and in particular CPU processing time, so every web hosting platform which uses compression in real time needs to have sufficient power to support that attribute. An example how information can be compressed is to substitute a binary code such as 111111 with 6x1 i.e. "remembering" what number of consecutive 1s or 0s there should be instead of keeping the whole code.
Data Compression in Shared Hosting
The compression algorithm used by the ZFS file system which runs on our cloud web hosting platform is named LZ4. It can boost the performance of any Internet site hosted in a shared hosting account on our end since not only does it compress info significantly better than algorithms employed by other file systems, but also uncompresses data at speeds that are higher than the hard disk reading speeds. This is achieved by using a great deal of CPU processing time, which is not a problem for our platform owing to the fact that it uses clusters of powerful servers working together. An additional advantage of LZ4 is that it allows us to generate backups quicker and on reduced disk space, so we will have multiple daily backups of your databases and files and their generation will not change the performance of the servers. That way, we could always restore any kind of content that you may have erased by accident.
Data Compression in Semi-dedicated Servers
Your semi-dedicated server account will be created on a cloud platform which runs on the cutting-edge ZFS file system. The aforementioned uses a compression algorithm called LZ4, that's far better than alternative algorithms when it comes to compression ratio and speed. The gain is significant particularly when data is being uncompressed and not only is LZ4 faster than other algorithms, but it is also faster in uncompressing data than a system is in reading from a hard disk. That's why Internet sites running on a platform which uses LZ4 compression perform better as the algorithm is most efficient when it processes compressible data i.e. web content. Another advantage of using LZ4 is that the backups of the semi-dedicated accounts which we keep require a lot less space and they're generated a lot faster, which allows us to keep multiple daily backups of all your files and databases.