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Reply To: Using Hdfs tiered storage

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Hi Arpit, As far as I could understand the usage of tiered storage, it was meant for fast access. Now, in most of the cases the latest data would be the most relevant one and hence it should be in the storage which is fast. Hence, in case this job has to be done through mover manually then I couldn’t understand much about how to efficiently use tiered storage without actually manually rearranging the blocks. I would also appreciate if you could point to some link where I could find a live example of same. On doing some Googling I could find how ebay uses it and it was more or less the same way we perceive the data.


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