Ubuntu
zfs-linux package

  1. Bug #1725859
  2. Comment #2

Comment 2 for bug 1725859

Revision history for this message
Colin Ian King (colin-king) wrote :

1. what is your ZFS configuration (number of drives?)
2. size of your system (total memory, free memory).
3. Do your drive(s) suffer from large I/O latencies?
   - what is the output from iostat -mx

You may possibly get some benefit from setting spl_kmem_cache_slab_limit to zero as a module parameter for the spl ZoL kernel module. This avoids SLUB slab merging entirely and maybe helpful from anecdotal evidence I've seen.