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piccolbo edited this page · 38 revisions

New in 1.1

  • Native R serialization/deserialization, which implies that all R objects are supported as key or value, without any conversion boilerplate code.This is the new default.
  • csv reader/writer -- somewhat experimental
  • Multiple backends (hadoop and local); local backend is useful for debugging at small scale; having two backends enforces modular design, opens up further possibilities (EMR, CUDA have been suggested), forces to clarify semantics.
  • Multiple tests of backend equivalence
  • Simpler interface for profiler.
  • Equijoins (rough equivalent of merge for mapreduce) part of the API
  • dfs.empty to check if file is empty
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