Good post by George Crump (thank you)
Deduplication, along with compression, provides the ability to more efficiently use premium priced flash capacity. But capacity efficiency comes with at least some performance impact. This is especially true on all-flash arrays where data efficiency features can’t hide behind hard disk drive latency. This has lead some all-flash vendors, like Violin Memory, to claim that an on/off switch on all-flash should be a requirement. Is that the case?
Read on here