Reduce has three phases - shuffle, sort and reduce.
So, 33% would imply the shuffle phase end, and 66% would refer to the end of sort phase.
On Oct 15, 2012, at 2:32 PM, Jay Vyas wrote:
> Hi guys ! > > We all know that there are major milestones in reducers (33%, 66%) > > In particular: > > Im wondering: What should we optimize for in case a job hangs at 33%, as > compared with 66% ? > > -- > Jay Vyas > http://jayunit100.blogspot.com
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