I want to write a blog post called "Hadoop is slow" but I still don't really understand if/why Hadoop is slow. halp.https://gist.github.com/jvns/9381521489a99e888c0e …
@posco @peterseibel @b0rk the sort (and the fact that the sort key can be longer than the partition key) is also important for join impls.
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@avibryant@posco@peterseibel@b0rk you are looking for secondary sort in MR i.e. reduce-side grouping comparator? Maybe I misunderstood?Thanks. Twitter will use this to make your timeline better. UndoUndo
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