docker /dev/shm is too small to hold all the metrics

Description:

When i gitlab upgrade from 12.4.3 to 13.1.1 encountered error from gitlab log.

• Gitlab server information:

  GitLab13.1.1-ee (a604fffd4ba)
  GitLab Shell13.3.0
  GitLab Workhorsev8.35.0
  GitLab APIv4
  GitLab Pages1.18.0
  Ruby2.6.6p146
  Rails6.0.3.1
  PostgreSQL11.7

• Gitlab instance service

  $ gitlab-ctl status
  
  run: alertmanager: (pid 2736) 77921s; run: log: (pid 1046) 77958s
  run: gitaly: (pid 249) 78033s; run: log: (pid 398) 78030s
  run: gitlab-exporter: (pid 885) 77979s; run: log: (pid 895) 77975s
  run: gitlab-pages: (pid 805) 77991s; run: log: (pid 839) 77988s
  run: gitlab-workhorse: (pid 2591) 77922s; run: log: (pid 657) 78008s
  run: grafana: (pid 2776) 77920s; run: log: (pid 2023) 77946s
  run: logrotate: (pid 23269) 2384s; run: log: (pid 787) 77996s
  run: nginx: (pid 684) 78003s; run: log: (pid 763) 78000s
  run: postgres-exporter: (pid 2767) 77920s; run: log: (pid 1072) 77954s
  run: postgresql: (pid 477) 78027s; run: log: (pid 596) 78024s
  run: prometheus: (pid 2668) 77921s; run: log: (pid 987) 77966s
  run: puma: (pid 600) 78021s; run: log: (pid 607) 78020s
  run: redis: (pid 234) 78039s; run: log: (pid 241) 78038s
  run: redis-exporter: (pid 2651) 77922s; run: log: (pid 912) 77970s
  run: registry: (pid 36335) 35720s; run: log: (pid 881) 77982s
  run: sidekiq: (pid 29450) 18710s; run: log: (pid 627) 78012s
  run: sshd: (pid 25) 78054s; run: log: (pid 24) 78054s

• Error log

  $ cat /var/log/gitlab/gitlab-rails/production.log
  
  writing value to /dev/shm/gitlab/sidekiq/gauge_all_sidekiq_0-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/gauge_all_sidekiq_0-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/gauge_all_sidekiq_0-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/sidekiq/histogram_sidekiq_0-0.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file
  writing value to /dev/shm/gitlab/puma/histogram_puma_5-1.db failed with unmapped file