I am running the latest version of Nexenta Core 3.0 (b134 + extra backports). The time to run zfs list is starting to increase as the number of datasets increase where it takes almost 30 seconds now to return 1500 datasets. root at zfs1:/etc# time zfs list -t all | wc -l 1491 real 0m29.614s user 0m0.382s sys 0m6.329s This machine has plenty room on the memory side of things: ARC Size: Current Size: 1090 MB (arcsize) Target Size (Adaptive): 7159 MB (c) Min Size (Hard Limit): 894 MB (zfs_arc_min) Max Size (Hard Limit): 7159 MB (zfs_arc_max) Are there other things I can look at which may improve the performance of the zfs list command or is this as good as it is going to get? Thanks, Geoff -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/zfs-discuss/attachments/20101102/89c47292/attachment.html>