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Hadoop Contributors
    Meeting II
      May 28, 2010
       Eli Collins
     (eli@cloudera.com)
Hadoop Enhancement Proposal
    Based on Python’s PEP
    Audience - HDFS and MapReduce
    Address maturity/inovation impedence
    mismatch
    Not for small enhancements, most
    patches.
HEP (Cont.)
 A primary mechanism for:
      Proposing new features
      Collecting community input
      Documenting big design decisions
Roles
 Author - Build consensus. Document
 dissenting opinions.

 Editors - Review. Don’t pass judgement.
 PMC votes on editors.
Workflow
    Draft and bake on hep@
    Propose to general@
    Approval via PMC vote
Evaluation
     Duplication of effort
     Technically unsound
     Not enough motivation
     Doesn’t address backwards compatibility
 Review and accept before implementation,
 unless the latter helps people understand the
 HEP itself.

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Hadoop Contributors Meeting II

  • 1. Hadoop Contributors Meeting II May 28, 2010 Eli Collins (eli@cloudera.com)
  • 2. Hadoop Enhancement Proposal Based on Python’s PEP Audience - HDFS and MapReduce Address maturity/inovation impedence mismatch Not for small enhancements, most patches.
  • 3. HEP (Cont.) A primary mechanism for: Proposing new features Collecting community input Documenting big design decisions
  • 4. Roles Author - Build consensus. Document dissenting opinions. Editors - Review. Don’t pass judgement. PMC votes on editors.
  • 5. Workflow Draft and bake on hep@ Propose to general@ Approval via PMC vote
  • 6. Evaluation Duplication of effort Technically unsound Not enough motivation Doesn’t address backwards compatibility Review and accept before implementation, unless the latter helps people understand the HEP itself.