[Bug 2016845] Re: ceph should build linked with tcmalloc

[Alan Baghumian]

I made some changes to the cluster, added 2 OSD(s) and set the memory
target on all OSD(s) to 2GB. All 3 MON units stayed at 17.2.6 level
while these tests were executed.


17.2.5 (Take 1)
---------------
READ: bw=32.4MiB/s (34.0MB/s), 17.9KiB/s-6638KiB/s (18.3kB/s-6798kB/s), io=28.7GiB (30.8GB), run=901248-907080msec
WRITE: bw=22.6MiB/s (23.7MB/s), 5986B/s-7797KiB/s (5986B/s-7984kB/s), io=20.0GiB (21.5GB), run=900741-907002msec


17.2.5 (Take 2)
---------------
READ: bw=34.2MiB/s (35.9MB/s), 24.7KiB/s-8038KiB/s (25.3kB/s-8231kB/s), io=30.5GiB (32.7GB), run=900998-912168msec
WRITE: bw=21.0MiB/s (22.0MB/s), 8020B/s-5320KiB/s (8020B/s-5448kB/s), io=18.7GiB (20.1GB), run=907270-912159msec


17.2.6 (Take 1)
---------------
READ: bw=39.3MiB/s (41.2MB/s), 22.7KiB/s-8074KiB/s (23.2kB/s-8268kB/s), io=34.8GiB (37.4GB), run=903690-908029msec
WRITE: bw=20.8MiB/s (21.8MB/s), 7381B/s-5413KiB/s (7381B/s-5543kB/s), io=18.4GiB (19.8GB), run=905688-907997msec


17.2.6 (Take 2)
---------------
READ: bw=39.3MiB/s (41.2MB/s), 22.7KiB/s-8074KiB/s (23.2kB/s-8268kB/s), io=34.8GiB (37.4GB), run=903690-908029msec
WRITE: bw=20.8MiB/s (21.8MB/s), 7381B/s-5413KiB/s (7381B/s-5543kB/s), io=18.4GiB (19.8GB), run=905688-907997msec

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https://bugs.launchpad.net/bugs/2016845

Title:
  ceph should build linked with tcmalloc

Status in Ubuntu Cloud Archive:
  New
Status in ceph package in Ubuntu:
  Confirmed

Bug description:
  Sometime between 15.2.17 on focal and 17.2.5 on either focal via the
  Yoga UCA or on Jammy the ceph-osd process stopped linking to tcmalloc.
  tcmalloc should continue to be enabled for ceph performance

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