How to shrink the ceilometer mongodb DB in case it is fragmented?

Solution Verified - Updated -

Issue

How to shrink the mongodb ceilometer DB in case it is fragmented?

[root@ctrl0 ~]# du -hs /var/lib/mongodb/
49G /var/lib/mongodb/

[root@ctrl1 ~]#  du -hs /var/lib/mongodb/
56G /var/lib/mongodb/

[root@ctrl2 ~]# du -hs /var/lib/mongodb/
68G /var/lib/mongodb/

Environment

  • Red Hat OpenStack 6.0
  • Red Hat OpenStack 7.0
  • Red Hat OpenStack 8.0

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