# TopicsController#index_all

- **Period:** 12 Jun 17:08 UTC – 12 Jun 17:31 UTC
- **Throughput**: 0.13 / min
- **Average:** 148.3 ms

## Most Impactful Sections
| Kind | Location | Avg ms | Avg calls | Impact | Command |
| ---- | -------- | -----: | --------: | -----: | ------- |
| sql | app/views/topics/index_all.html.erb:25 | 3.68 | 22.67 | 56.17% | `SELECT "categories".* FROM "categories" INNER JOIN "topics" ON "topics"."catego…` |
| view | app/views/topics/index_all.html.erb | 32.33 | 1.0 | 21.80% |  |
| sql | app/controllers/topics_controller.rb:47 | 0.85 | 6.67 | 3.82% | `SELECT "groups".* FROM "groups" WHERE "groups"."exercice_type" = ? AND "groups"…` |
| gc | ruby/gc.c | 7.0 | 0.67 | 3.15% | `GC.start` |
| code | app/controllers/topics_controller.rb:27 | 4.33 | 1.0 | 2.92% | `TopicsController#index_all` |
| sql | app/views/layouts/application.html.erb:237 | 1.44 | 3.0 | 2.92% | `SELECT "essays".* FROM "essays" WHERE "essays"."status" = ? ORDER BY "essays"."…` |
| sql | app/views/layouts/application.html.erb:249 | 3.0 | 1.0 | 2.02% | `SELECT categories.*, sum(essays.hits_nb) as hits_sum FROM "categories" INNER JO…` |
| view | app/views/layouts/application.html.erb | 3.0 | 1.0 | 2.02% |  |

[View on RoRvsWild ↗](https://www.rorvswild.com/applications/135493/requests/TopicsController%23index_all?range=2026-06-12+17%3A08%3A04+UTC..2026-06-12+17%3A31%3A51+UTC)