Public bug reported:
Ubuntu 16.04 LTS repositories contain only rsync version 3.1.1:
$ apt policy rsync
rsync:
Installed: 3.1.1-3ubuntu1.2
Candidate: 3.1.1-3ubuntu1.2
Version table:
*** 3.1.1-3ubuntu1.2 500
500 http://fi.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
100 /var/lib/dpkg/status
3.1.1-3ubuntu1 500
500 http://fi.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
However, this version has a bug where flag --xattrs causes very very
high CPU usage if source contains lots of unique extended attributes.
I'm trying to sync 13 TB (roughly 6.5 M files) with extended attributes
and this bug seems to make this slower and slower as the time goes by.
The system has been copying the stuff for three weeks (!) now. It's
getting slower every day but still seems to make progress so I try to
run it to completion. First couple of terabytes suggested that this sync
operation should have taken around 4 days. The source directory is used
by glusterfs which creates checksums as extended attributes and
practically every file has different checksum.
Please, update rsync package on Ubuntu 16.04 to 3.1.2-2 or later.
See also: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=799143
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: rsync 3.1.1-3ubuntu1.2
ProcVersionSignature: Ubuntu 4.15.0-51.55~16.04.1-lowlatency 4.15.18
Uname: Linux 4.15.0-51-lowlatency x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CurrentDesktop: MATE
Date: Tue Jul 2 09:07:49 2019
InstallationDate: Installed on 2015-02-23 (1589 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: rsync
UpgradeStatus: Upgraded to xenial on 2016-06-10 (1116 days ago)
** Affects: rsync (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1834994
Title:
rsync: --xattrs is extremely slow
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