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Posted to github@beam.apache.org by "vatanrathi (via GitHub)" <gi...@apache.org> on 2023/04/06 11:55:11 UTC

[GitHub] [beam] vatanrathi commented on pull request #26114: (AWS S3 FS) Fix performance issue of S3 filesystem when reading large files

vatanrathi commented on PR #26114:
URL: https://github.com/apache/beam/pull/26114#issuecomment-1498945441

   @aromanenko-dev I ran a few tests with changes made by @mosche on some large files ~10 to 100GBs and performance is good. As I mentioned earlier, on any version between 2.31.0 to 2.46.0, our pipeline runs for hours due to this issue of draining or closing inputStream which also seems to read before close. With this change, test pipeline on a 15GB file finished in 5mins as appose to 3+hrs on 2.46.0. 


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