Image by ~C4Chaos via Flickr
So I’ve been following the deduplication market and products for a good amount of time, and what amazes me, is the lack of thought behind today’s solutions, and the recent blind adoption of deduplication on primary data sets. Now, I’m not referring to application level deduplication that I’ve discussed before , but appliance or storage based deduplication products.
The fundamental problem I see with primary volume deduplication on “live” data sets, is the complete lack of intelligence of the deduplication service. It doesn’t matter how often a data set is read, or by how many applications, current products treat the data the same. So, what is my primary concern? “Hot Spots” on the disk sub-systems. This is something that has been around as a concern, and a reality for databases, and will continue to grow as an application problem....
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