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Posted to github@arrow.apache.org by "tustvold (via GitHub)" <gi...@apache.org> on 2023/11/15 10:59:50 UTC

[I] File IO on Tokio Workers [arrow-datafusion]

tustvold opened a new issue, #8188:
URL: https://github.com/apache/arrow-datafusion/issues/8188

   ### Describe the bug
   
   Both CsvExec and NdJsonExec perform file IO on the tokio worker threads, this acts to starve the worker pool, potentially leaving CPUs idle
   
   ### To Reproduce
   
   _No response_
   
   ### Expected behavior
   
   We should probably just convert the files to streams and decode them that way
   
   ### Additional context
   
   _No response_


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