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Bug #61702

open

ceph-mgr process RSS memory usage grows continuously

Added by Gabriel Cabral 11 months ago. Updated 10 months ago.

Status:
Need More Info
Priority:
Normal
Assignee:
-
Category:
ceph-mgr
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
Ceph - v14.2.22
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

In a ceph cluster using nautilus v14.2.22, it was recorded processes* memory usage every 3h*. Then saw the RSS of ceph-mgr grew continuously.

PPID PID NLWP RSS VSZ CMD

110888 113509 59 285728 1288728 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 286256 1289752 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 286776 1289752 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 287072 1289752 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 287088 1289752 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 287928 1290776 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 288656 1291544 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 288936 1291544 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 289240 1291544 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290240 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290504 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290504 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290504 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290512 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290512 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290512 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290512 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290512 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290512 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290512 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290524 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f
110888 113509 59 290808 1293848 /usr/bin/ceph-mgr --cluster ceph --conf /etc/ceph/ceph.conf --id controller-0 -f

In this case, the growth average was about 3 MiB a day.

The growth average follows the size of the cluster. In other cluster ceph, bigger than the first one, the growth average was about 10MiB a day.

ENVIRONMENT
Kubernetes 1.24.24
Ceph version: ceph version 14.2.22 (742a9ee1d2a5d5c87096f7c0098035af5c73aa19) nautilus (stable)
Linux version 5.10.0-6-amd64

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