LZ compression

LZ compression

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In general, due to string matching at each step, the LZ compression technique is considered to be very slow.
It is evident from the results that the LZ compression algorithm achieves the best compression ratio which implies that it produces the minimum data size of compressed data.
Both approaches apply the industry-standard Lempel-Ziv (LZ) compression algorithm; however, Storwize has 35 patents or patents pending on how to make LZ compression real-time and random access, meaning that files are compressed as they are written to a network-attached storage (NAS) device without performance degradation.
ESG Lab also validated the benefits offered by DeltaStor de-duplication software as a solution that reduces disk capacity by an impressive factor of up to fifty to one with the use of hardware-based LZ compression for fast and reliable restores and longer retention periods.