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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2020/12/23 04:45:51 UTC

[GitHub] [beam] boyuanzz commented on pull request #13592: [BEAM-11403] Cache UnboundedReader per UnboundedSourceRestriction in SDF Wrapper DoFn.

boyuanzz commented on pull request #13592:
URL: https://github.com/apache/beam/pull/13592#issuecomment-749929365


   I did more changes to address mentioned concerns, which include:
   
   - Have DoFn keep the Cache for all created RestrictionTracker
   - The RestrictionTracker#tryClaim will get the reader from the cache if any.
   - When RestrictionTracker#trySplit happens, the reader will be cached by the latest CheckpointMark.
   
   I'll try to have a test tomorrow.


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