Deduplication vs compression


Is de-duplication a good option compared to compression and how to I enable de-duplication in a QuantaStor system.


We would recommend against enabling de-duplication as this will hurt performance. This is why we do not display this as a feature in Quantastor today. We are looking to capitalize on new features, such as metadata offload, to improve performance for de-duplication enabled storage pools. We may make this feature available in future versions of QuantaStor if the performance gains are acceptable.

In terms of compression, gzip-6 provides a good mixture of performance and compression. The higher you go, the more compression you will see, but this comes at a cost of performance.

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