mayuropensource commented on pull request #7022:
URL: https://github.com/apache/arrow/pull/7022#issuecomment-619276182


   // SOME_S3_DATA_URI should point to a file (over http) that is ~500 MiB.
   // TTFB_sec is the time-to-first-byte in seconds as measured by curl
   // Bandwidth_bytes_per_sec is download bandwidth (in bytes per second) as 
measured by curl
   
   `S3_DATA_URI="SOME_S3_DATA_URI"; `
   
   `curl --negotiate -u: -o /dev/null -w "connect_time_sec=%{time_connect} 
total_time_sec=%{time_total} data_size_bytes=%{size_download} 
TTFB_sec=%{time_starttransfer} Bandwidth_bytes_per_sec=%{speed_download}\n" 
$S3_DATA_URI`


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