Measure single-stream upload and download throughput to a MinIO or S3 bucket with mc od
domain: min.io · 5 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Confirm you have an mc alias configured (mc alias set ALIAS ENDPOINT ACCESS SECRET).
Run mc od if=SOURCE of=ALIAS/BUCKET/OBJECT to measure a single-stream transfer; for example mc od if=file.txt of=play/my-bucket/file.txt size=40MiB parts=5 uploads a 200MiB file in 5 x 40MiB parts.
Use the size= (part size) and parts= (part count) operands to control the test; if omitted they are derived from the source stream and file size respectively.
Use skip= to skip a number of parts, useful for resuming a benchmark.
Bound the test rates with --limit-upload and --limit-download (accepting KiB/s, MiB/s, GiB/s).
Known gotchas
mc od is a DIAGNOSTIC/BENCHMARK tool that measures single-stream upload and download performance. It is NOT a delete or version-pruning command.
The common intent 'mc od remove older object versions' is wrong: mc od cannot remove anything. Version pruning is done with mc rm --non-current or mc rm --versions --recursive --force --older-than 30d.
The of= operand is the target object path to upload to; it is not a local file destination.
Run with --json for machine-parseable benchmark output.
Official docs: https://min.io/docs/minio/linux/reference/minio-mc/mc-od.html
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