ZFS has a `recordsize` parameter that can mitigate fragmentation if tuned correctly for the workload. This allows zfs to perform pretty competitively on workloa

ZFS has a `recordsize` parameter that can mitigate fragmentation if tuned correctly for the workload. This allows zfs to perform pretty competitively on workloads that would cripple btrfs unless one disabled copy-on-write (and therefore checksumming and compression) altogether [1]. [1] https://www.percona.com/blog/mysql-zfs-performance-update/ https://www.percona.com/blog/mysql-zfs-performance-update/