Single-choice SmartDedupe& SmartCompression technology in Huawei Oceanstor all-flash storage
When writing data, calculate the similar fingerprint (SFP) and weak hash fingerprint (FP) at the same time, if the fingerprint already exists in the local fingerprint table,
Then perform online deduplication; if it is new data, perform compression and save similar fingerprints, and then perform background deduplication.
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