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From Anthony Nguyen <anthony.an.ngu...@gmail.com>
Subject Prefetching Indexes of HFiles
Date Thu, 24 Sep 2015 20:16:40 GMT
Hi all,

Is there a better way to warm HFile indexes other than scanning through my
datasets? I did see PREFETCH_BLOCKS_ON_OPEN, but the warning that it "is
not a good idea if the data to be preloaded will not fit into the
blockcache" makes me wary. Why would this be a bad idea?


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