Bug ID 1111523
Summary Btrfs consume too much CPU resources and cause desktop freeze after zypper dup
Classification openSUSE
Product openSUSE Tumbleweed
Version Current
Hardware Other
OS Other
Status NEW
Severity Normal
Priority P5 - None
Component Basesystem
Assignee bnc-team-screening@forge.provo.novell.com
Reporter i@guoyunhe.me
QA Contact qa-bugs@suse.de
Found By ---
Blocker --- 

If a Tumbleweed snapshot is big (hundreds of package updated, thousands of
files deleted/added), after zypper dup and reboot, system will be very slow and
not responding. In KDE, when I see desktop is freezing, I open task manager and
found btrfs-cleaner or btrfs-transacti using 25% (100% of one core) of CPU
resources.

Even I have a 4-core CPU, using up 100% of one core can cause desktop not
responding.

I am using a Tumbleweed system installed in September 2017. Does new Tumbleweed
installer have different Btrfs options that can solve this problem?

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