After reset 24 the catalog grew ~3.7 GB an hour (77 GB, root 31 GB free, 600k history ranges to go). CATALOG_MAX_NVME_GB (as voyager 1's BACKFILL_MAX_NVME_GB): once the default tablespace is over it, leases and the prefetcher take priority < 0 only (the tail, the stored ranges); measured once a minute. Off when unset; 90 on homelab. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>