This is the sample used by Order by and Skewed Join. It is supposed to
retrieve from input edge the first time and cached into ObjectCache.
The code to cache it is in
WeightedRangePartitionerTez/SkewedPartitionerTez, and later
PigProcessor.collectSample will get it directly from ObjectCache.
On Tue, Jun 3, 2014 at 12:24 PM, Chen He <[EMAIL PROTECTED]> wrote:
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