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From Oleg Dulin <>
Subject Wide rows and reads
Date Thu, 05 Jul 2012 17:17:17 GMT
Here is my flow:

One process write a really wide row (250K+ supercolumns, each one with 
5 subcolumns, for the total of 1K or so per supercolumn)

Second process comes in literally 2-3 seconds later and starts reading from it.

My observation is that nothing good happens. It is ridiculously slow to 
read. It seems that if I wait long enough, the reads from that row will 
be much faster.

Could someone enlighten me as to what exactly happens when I do this ?


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