Bug #42781
global: disable THP for Ceph daemons
% Done:
0%
Source:
Development
Tags:
Backport:
nautilus
Regression:
No
Severity:
3 - minor
Description
Ceph is known to suffer from memory fragmentation due to transparent huge pages (THP). This is indicated by RSS usage above configured memory targets. Enabling THP is currently discouraged until selective use of THP by Ceph is implemented via madvise.
Related issues
History
#1 Updated by Patrick Donnelly 3 months ago
- Project changed from fs to Ceph
- Status changed from New to In Progress
#2 Updated by Patrick Donnelly 3 months ago
- Status changed from In Progress to Fix Under Review
- Pull request ID set to 31582
#3 Updated by Patrick Donnelly 3 months ago
- Status changed from Fix Under Review to Pending Backport
Note: forgot to link to the tracker ticket from the commit. Oops!
#4 Updated by Patrick Donnelly 3 months ago
- Copied to Backport #42818: nautilus: global: disable THP for Ceph daemons added
#5 Updated by Nathan Cutler about 1 month ago
- Status changed from Pending Backport to Resolved
While running with --resolve-parent, the script "backport-create-issue" noticed that all backports of this issue are in status "Resolved" or "Rejected".