# TopicsController#index_all

- **Period:** 12 Jun 16:40 UTC – 12 Jun 17:08 UTC
- **Throughput**: 0.18 / min
- **Average:** 237.2 ms

## Most Impactful Sections
| Kind | Location | Avg ms | Avg calls | Impact | Command |
| ---- | -------- | -----: | --------: | -----: | ------- |
| sql | app/views/topics/index_all.html.erb:25 | 10.92 | 12.0 | 55.23% | `SELECT "categories".* FROM "categories" INNER JOIN "topics" ON "topics"."catego…` |
| view | app/views/topics/index_all.html.erb | 59.8 | 1.0 | 25.21% |  |
| gc | ruby/gc.c | 18.2 | 1.0 | 7.67% | `GC.start` |
| sql | app/controllers/topics_controller.rb:47 | 1.3 | 4.0 | 2.19% | `SELECT "groups".* FROM "groups" WHERE "groups"."exercice_type" = ? AND "groups"…` |
| sql | app/views/layouts/application.html.erb:237 | 1.53 | 3.0 | 1.94% | `SELECT "essays".* FROM "essays" WHERE "essays"."status" = ? ORDER BY "essays"."…` |
| code | app/controllers/topics_controller.rb:27 | 4.0 | 1.0 | 1.69% | `TopicsController#index_all` |
| view | app/views/layouts/application.html.erb | 3.8 | 1.0 | 1.60% |  |
| sql | app/views/layouts/application.html.erb:249 | 3.6 | 1.0 | 1.52% | `SELECT categories.*, sum(essays.hits_nb) as hits_sum FROM "categories" INNER JO…` |

[View on RoRvsWild ↗](https://www.rorvswild.com/applications/135493/requests/TopicsController%23index_all?range=2026-06-12+16%3A40%3A16+UTC..2026-06-12+17%3A08%3A04+UTC)