# CategoriesController#index

- **Period:** 13 Jun 05:20 UTC – 13 Jun 06:19 UTC
- **Throughput**: 0.12 / min
- **Average:** 30.8 ms

## Most Impactful Sections
| Kind | Location | Avg ms | Avg calls | Impact | Command |
| ---- | -------- | -----: | --------: | -----: | ------- |
| sql | app/views/categories/index.html.erb:17 | 1.54 | 5.86 | 29.20% | `SELECT "categories".* FROM "categories" INNER JOIN "topics" ON "topics"."catego…` |
| view | app/views/categories/index.html.erb | 4.29 | 1.0 | 13.90% |  |
| sql | app/views/layouts/application.html.erb:237 | 1.19 | 3.0 | 11.59% | `SELECT "essays".* FROM "essays" WHERE "essays"."status" = ? ORDER BY "essays"."…` |
| sql | app/views/layouts/application.html.erb:249 | 3.57 | 1.0 | 11.59% | `SELECT categories.*, sum(essays.hits_nb) as hits_sum FROM "categories" INNER JO…` |
| view | app/views/layouts/application.html.erb | 3.0 | 1.0 | 9.73% |  |
| code | app/controllers/categories_controller.rb:9 | 1.43 | 1.0 | 4.63% | `CategoriesController#index` |
| sql | app/views/categories/index.html.erb:13 | 0.86 | 1.0 | 2.78% | `SELECT "groups".* FROM "groups" WHERE "groups"."exercice_type" = ? AND "groups"…` |
| queue | queue | 0.71 | 1.0 | 2.32% |  |
| gc | ruby/gc.c | 0.8 | 0.71 | 1.85% | `GC.start` |
| rack | /app/vendor/bundle/ruby/4.0.0/gems/warden-1.2.9/lib/warden/manager.rb:30 | 0.57 | 1.0 | 1.85% | `Warden::Manager` |

[View on RoRvsWild ↗](https://www.rorvswild.com/applications/135493/requests/CategoriesController%23index?range=1h)