$ fs.zstd.dict -bucket gh-events-dict -samples 512 -apply bucket gh-events-dict: sampled 1115429 bytes in 512 samples from 1000 files scanned; skipped 0 encrypted, 0 already compressed, 0 changed while sampling, 0 unreadable bucket gh-events-dict: trained dict 2365163660 (114850 bytes) on 410 samples, generation 1 bucket gh-events-dict: 102 held-out samples compress to 61709 bytes with no dictionary, 32420 bytes with dict 2365163660 (47.5% smaller) bucket gh-events-dict .json: trained dict 25209916 (114850 bytes) on 410 samples, generation 1 bucket gh-events-dict .json: 102 held-out samples compress to 61709 bytes with no dictionary, 32420 bytes with dict 25209916 (47.5% smaller) bucket gh-events-dict bound to /etc/zstd/dicts/2365163660.zdict bucket gh-events-dict .json bound to /etc/zstd/dicts/25209916.zdict