Compression sampling in tiered storage
Abstract:
A method for data steering in tiered storage is described. In one embodiment, the method includes ranking a plurality of storage areas of a storage device according to at least one property of the plurality of storage areas. In some embodiments, the plurality of storage areas include at least a first storage area and a second storage area. The method includes obtaining a sample of data at the storage device, passing the sample of data through one or more compression codecs, and analyzing a result of passing the sample of data through the one or more compression codecs. In some embodiments, the result includes a score of compression savings associated with the sample of data. The method includes storing the data in one of the plurality of storage areas based at least in part on the analyzing the result of passing the sample of data through the one or more compression codecs.
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