# TopicsController#index

- **Period:** 12 Jun 22:46 UTC – 13 Jun 06:21 UTC
- **Throughput**: 0.64 / min
- **Average:** 54.4 ms

## Most Impactful Sections
| Kind | Location | Avg ms | Avg calls | Impact | Command |
| ---- | -------- | -----: | --------: | -----: | ------- |
| view | app/views/topics/index.html.erb | 8.84 | 0.99 | 16.14% |  |
| queue | queue | 5.34 | 1.0 | 9.81% |  |
| sql | app/views/topics/index.html.erb:15 | 1.48 | 2.97 | 8.09% | `SELECT DISTINCT "topics".* FROM "topics" INNER JOIN "essays" ON "essays"."topic…` |
| sql | app/views/layouts/application.html.erb:237 | 1.35 | 2.98 | 7.39% | `SELECT "essays".* FROM "essays" WHERE "essays"."status" = ? ORDER BY "essays"."…` |
| sql | app/views/layouts/application.html.erb:249 | 3.69 | 0.99 | 6.74% | `SELECT categories.*, sum(essays.hits_nb) as hits_sum FROM "categories" INNER JO…` |
| code | app/controllers/topics_controller.rb:9 | 3.33 | 1.0 | 6.11% | `TopicsController#index` |
| view | app/views/layouts/application.html.erb | 3.09 | 0.99 | 5.63% |  |
| sql | app/models/category.rb:177 | 2.93 | 0.99 | 5.35% | `SELECT "categories".* FROM "categories" INNER JOIN "groups" ON "groups"."id" = …` |
| sql | app/models/category.rb:112 | 0.95 | 2.96 | 5.18% | `SELECT "quiz_questions".* FROM "quiz_questions" WHERE "quiz_questions"."categor…` |
| sql | app/models/category.rb:163 | 2.59 | 0.99 | 4.73% | `SELECT "categories".* FROM "categories" INNER JOIN "groups" ON "groups"."id" = …` |
| sql | app/controllers/topics_controller.rb:11 | 1.62 | 1.0 | 2.98% | `SELECT "categories".* FROM "categories" WHERE "categories"."slug" = ? LIMIT ?` |
| gc | ruby/gc.c | 3.86 | 0.38 | 2.72% | `GC.start` |
| sql | app/models/category.rb:182 | 0.64 | 0.99 | 1.17% | `SELECT "categories"."id" FROM "categories" INNER JOIN "influences" ON "categori…` |
| rack | /app/vendor/bundle/ruby/4.0.0/gems/warden-1.2.9/lib/warden/manager.rb:30 | 0.63 | 0.99 | 1.14% | `Warden::Manager` |
| view | vendor/bundle/ruby/4.0.0/gems/kaminari-core-1.2.2/app/views/kaminari/_paginator.html.erb | 0.81 | 0.68 | 1.00% |  |

[View on RoRvsWild ↗](https://www.rorvswild.com/applications/135493/requests/TopicsController%23index?range=2026-06-12+22%3A46%3A41+UTC..2026-06-13+22%3A46%3A41+UTC)