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Hadoop, mail # user - Why use "Reverse Timestamp" as the Row Key?


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Re: Why use "Reverse Timestamp" as the Row Key?
Marc Sturlese 2011-07-22, 09:08
This is normally useful for lot's of web apps. Sort in Hbase is done at
insert time not when scanning. Using a reversed timestamp you ensure the
most recent activity of the user will be shown first.

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