Hans-Raintree commented on issue #10334:
URL: https://github.com/apache/hudi/issues/10334#issuecomment-5725930454

   I'm having a similar issue on Hudi 1.1.0. (S3, EMR, Metadata table off)
   
   I had cleaner.commits.retained and hoodie.keep.max.commits and 
hoodie.keep.min.commits too low. I was using 
hoodie.datasource.read.incr.path.glob to read a single partition and it took 
105 seconds, when I turned fallback off it produced the same result in 2.7 
seconds.
   
   As this option is now true by default, I think this code path should be 
optimized.
   
   Some options would be:
   
   1. Filter affected files before checking existence (when using 
hoodie.datasource.read.incr.path.glob)
   2. Check only file slices actually needed by the query
   3. Run existence checks concurrently (currently it's sequential)
   4. Use Hudi cleaner metadata instead of probing S3


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