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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/04 14:34:10 UTC

[GitHub] [beam] damccorm opened a new issue, #19949: Slow GCS uploads for large Java staging jars

damccorm opened a new issue, #19949:
URL: https://github.com/apache/beam/issues/19949

   The default and max upload chunk size is 1M, in 
   
   [https://github.com/apache/beam/blob/master/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/util/GcsStager.java#L96](https://github.com/apache/beam/blob/master/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/util/GcsStager.java#L96)
   
   This should be at least 8M to improve performance.
   
   8m is the default python write chunk size
   
   [https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/gcp/gcsio.py#L86](https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/gcp/gcsio.py#L86)
   
    
   
   Imported from Jira [BEAM-8832](https://issues.apache.org/jira/browse/BEAM-8832). Original Jira may contain additional context.
   Reported by: amyrvold.


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