Github user StephanEwen commented on the pull request:
https://github.com/apache/incubator-flink/pull/4#issuecomment-45997906
This is a nice change. Do you have some micro-benchmark numbers on how the methods perform in comparison to the old `writeString()` methods?
Also, it would be interesting what the benefit of doing binary comparisons is. So, a microbenchmark of sorting the strings with a normalizedKeySorter. And a case where all prefixes are equal.
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