On Sat, Sep 19, 2020 at 2:47 PM Allan Jude <[email protected]> wrote:
> Author: allanjude > Date: Sat Sep 19 20:46:56 2020 > New Revision: 365917 > URL: https://svnweb.freebsd.org/changeset/base/365917 > > Log: > MFS r365689,r365808,r365860 > > MFOpenZFS: Introduce read/write kstats per dataset > > The following patch introduces a few statistics on reads and writes > grouped by dataset. These statistics are implemented as kstats > (backed by aggregate sums for performance) and can be retrieved by > using the dataset objset ID number. The motivation for this change is > to provide some preliminary analytics on dataset usage/performance. > > Reviewed-by: Richard Elling <[email protected]> > Reviewed-by: Brian Behlendorf <[email protected]> > Reviewed by: Matthew Ahrens <[email protected]> > Signed-off-by: Serapheim Dimitropoulos <[email protected]> > > openzfs/zfs@a448a2557ec4938ed6944c7766fe0b8e6e5f6456 > > Also contains parts of: > MFOpenZFS: Connect dataset_kstats for FreeBSD > > Example output: > kstat.zfs.mypool.dataset.objset-0x10b.nread: 150528 > kstat.zfs.mypool.dataset.objset-0x10b.reads: 48 > kstat.zfs.mypool.dataset.objset-0x10b.nwritten: 134217728 > kstat.zfs.mypool.dataset.objset-0x10b.writes: 1024 > kstat.zfs.mypool.dataset.objset-0x10b.dataset_name: mypool/datasetname > > Reviewed-by: Ryan Moeller <[email protected]> > Reviewed by: Sean Eric Fagan <[email protected]> > Reviewed-by: Serapheim Dimitropoulos <[email protected]> > Reviewed-by: Brian Behlendorf <[email protected]> > Signed-off-by: Allan Jude <[email protected]> > > openzfs/zfs@4547fc4e071ceb1818b3a46c3035b923e06e5390 > > Approved by: re (gjb) > Relnotes: yes > Sponsored by: Klara Inc. > This sounds quite useful! I've often wished that I could see per-dataset traffic statistics. Are there any user-friendly frontends to this? Like zfs-stats, or an updated zpool iostat? -Alan _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
