[Xfce-bugs] [Bug 11883] New: File copy slow with zfs destination (cp 3x faster)

[bugzilla-daemon at xfce.org]

https://bugzilla.xfce.org/show_bug.cgi?id=11883

            Bug ID: 11883
           Summary: File copy  slow with zfs destination (cp 3x faster)
    Classification: Xfce
           Product: Thunar
           Version: unspecified
          Hardware: PC (x86_64)
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Medium
         Component: general
          Assignee: xfce-bugs at xfce.org
          Reporter: greg.hydrogen at gmail.com
        QA Contact: nick at xfce.org
                CC: benny at xfce.org, hjudt at xfce.org

Created attachment 6231
  --> https://bugzilla.xfce.org/attachment.cgi?id=6231&action=edit
trace

Copying a file from a ramdrive to a zfs filesystem has a max transfer rate
around 220MB/s.  Copying this same file/directory using cp, the max transfer
rate is around 800MB/s.  Attached is the thunar trace of the copy

System information
AMD 8120, 32 GB RAM, ZFS kernel module (0.6.4+) kernel 3.17.4 on Fedora 21. 
The destination is an Intel 750 Series ssd (max write 1000+ MB/s)

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