Michael Gurski@dalias @aburka that many small files is going to be the worst performance ever. If you can consolidate in a tarball, a zip, a rat, even without compression, before copying, you'll see a huge performance increase. This was my bane when I had to do backups on a PB of data across many multi-TB volumes. Weeks. When they moved to "archive" and I consolidated them, hours to write the same data to WORM tapes. It's the open/read/close cycle. Open/close are fixed times, so more is slower.
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