mayuropensource edited a comment 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
// Once SOME_S3_DATA_URI is created, it can be queried on a regular basis
for measurements.
`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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