Merge branch 'mg-remove-min-max-concurrency' into 'master'

Remove deprecated min_concurrency and max_concurrency for Sidekiq

See merge request https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/7549

Merged-by: Robert Marshall <rmarshall@gitlab.com>
Approved-by: Dustin Collins <714871-dustinmm80@users.noreply.gitlab.com>
Approved-by: Robert Marshall <rmarshall@gitlab.com>
Reviewed-by: Jason Plum <jplum@gitlab.com>
Co-authored-by: Ryan Egesdahl <regesdahl@gitlab.com>
Co-authored-by: Gregorius Marco <gmarco@gitlab.com>

Author: 3 people

doc/settings/memory_constrained_envs.md

@@ -145,14 +145,14 @@ We observed 100-400MB of memory usage reduction configuring Puma this way.
 ## Optimize Sidekiq
 
 Sidekiq is a background processing daemon. When configured with GitLab by default
-it runs with a high concurrency mode of `50`. This does impact how much memory it can
+it runs with a concurrency mode of `20`. This does impact how much memory it can
 allocate at a given time. It is advised to configure it to use a significantly
 smaller value of `5` or `10` (preferred).
 
 In `/etc/gitlab/gitlab.rb`:
 
 ```ruby
-sidekiq['max_concurrency'] = 10
+sidekiq['concurrency'] = 10
 ```
 
 ## Optimize Gitaly
@@ -249,7 +249,7 @@ and disable the Prometheus Metrics feature:
    ```ruby
    puma['worker_processes'] = 0
 
-   sidekiq['max_concurrency'] = 10
+   sidekiq['concurrency'] = 10
 
    prometheus_monitoring['enable'] = false
 

doc/settings/rpi.md

@@ -55,7 +55,7 @@ some running processes:
    ```ruby
    # Reduce the number of running workers to the minimum in order to reduce memory usage
    puma['worker_processes'] = 2
-   sidekiq['max_concurrency'] = 9
+   sidekiq['concurrency'] = 9
    # Turn off monitoring to reduce idle cpu and disk usage
    prometheus_monitoring['enable'] = false
    ```

files/gitlab-config-template/gitlab.rb.template

@@ -1280,9 +1280,7 @@ external_url 'GENERATED_EXTERNAL_URL'
 # sidekiq['log_format'] = "json"
 # sidekiq['shutdown_timeout'] = 4
 # sidekiq['interval'] = nil
-# sidekiq['concurrency'] = nil
-# sidekiq['max_concurrency'] = 20
-# sidekiq['min_concurrency'] = nil
+# sidekiq['concurrency'] = 20
 
 ##! GitLab allows route a job to a particular queue determined by an array of ##! routing rules.
 ##! Each routing rule is a tuple of queue selector query and corresponding queue. By default,

files/gitlab-cookbooks/gitlab/attributes/default.rb

@@ -728,9 +728,7 @@
 
 # Cluster specific settings
 default['gitlab']['sidekiq']['interval'] = nil
-default['gitlab']['sidekiq']['concurrency'] = nil
-default['gitlab']['sidekiq']['max_concurrency'] = 20
-default['gitlab']['sidekiq']['min_concurrency'] = nil
+default['gitlab']['sidekiq']['concurrency'] = 20
 default['gitlab']['sidekiq']['queue_groups'] = ['*']
 default['gitlab']['sidekiq']['consul_service_name'] = 'sidekiq'
 default['gitlab']['sidekiq']['consul_service_meta'] = nil

files/gitlab-cookbooks/gitlab/templates/default/sv-sidekiq-run.erb

@@ -22,12 +22,6 @@ exec chpst -e /opt/gitlab/etc/gitlab-rails/env -P \
       <% if node['gitlab']['sidekiq']['concurrency'] %>
       -c <%= node['gitlab']['sidekiq']['concurrency'] %> \
       <% end %>
-      <% if node['gitlab']['sidekiq']['max_concurrency'] %>
-      -m <%= node['gitlab']['sidekiq']['max_concurrency'] %> \
-      <% end %>
-      <% if node['gitlab']['sidekiq']['min_concurrency'] %>
-      --min-concurrency <%= node['gitlab']['sidekiq']['min_concurrency'] %> \
-      <% end %>
       <% if node['gitlab']['sidekiq']['shutdown_timeout'] %>
       --timeout <%= node['gitlab']['sidekiq']['shutdown_timeout'] %> \
       <% end %>

files/gitlab-cookbooks/package/libraries/deprecations.rb

@@ -346,14 +346,14 @@ def list(existing_config = nil)
           },
           {
             config_keys: %w(gitlab sidekiq min_concurrency),
-            deprecation: '16.9',
-            removal: '17.0',
+            deprecation: '16.9', # Remove message issue: https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8491
+            removal: '17.0', # Removal issue: https://gitlab.com/gitlab-com/gl-infra/scalability/-/issues/3422
             note: "Starting with GitLab 17.0, `sidekiq['min_concurrency']` will be removed. Please follow https://docs.gitlab.com/ee/administration/sidekiq/extra_sidekiq_processes.html#manage-thread-counts-explicitly to use `sidekiq['concurrency']` instead."
           },
           {
             config_keys: %w(gitlab sidekiq max_concurrency),
-            deprecation: '16.9',
-            removal: '17.0',
+            deprecation: '16.9', # Remove message issue: https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8491
+            removal: '17.0', # Removal issue: https://gitlab.com/gitlab-com/gl-infra/scalability/-/issues/3422
             note: "Starting with GitLab 17.0, `sidekiq['max_concurrency']` will be removed. Please follow https://docs.gitlab.com/ee/administration/sidekiq/extra_sidekiq_processes.html#manage-thread-counts-explicitly to use `sidekiq['concurrency']` instead."
           },
           {

spec/chef/cookbooks/gitlab/recipes/sidekiq_spec.rb

@@ -26,7 +26,7 @@
           expect(content).to match(/rubyopt=\"-W:no-experimental\"/)
           expect(content).to include(%(RUBYOPT="${rubyopt}"))
           expect(content).to match(%r{bin/sidekiq-cluster})
-          expect(content).to match(/-m 20/) # max_concurrency
+          expect(content).to match(/-c 20/) # concurrency
           expect(content).to match(/--timeout 25/) # shutdown timeout
           expect(content).to match(/\*/) # all queues
         }
@@ -64,11 +64,19 @@
       before do
         stub_gitlab_rb(
           sidekiq: {
-            log_group: 'fugee'
+            log_group: 'fugee',
+            concurrency: 42
           }
         )
       end
       it_behaves_like 'enabled logged service', 'sidekiq', true, { log_directory_owner: 'git', log_group: 'fugee' }
+
+      it 'correctly renders out the sidekiq service file' do
+        expect(chef_run).to render_file("/opt/gitlab/sv/sidekiq/run")
+          .with_content { |content|
+            expect(content).to match(/-c 42/) # concurrency
+          }
+      end
     end
   end