# TopicsController#index

- **Period:** 12 Jun 17:37 UTC – 12 Jun 22:46 UTC
- **Throughput**: 0.71 / min
- **Average:** 45.8 ms

## Most Impactful Sections
| Kind | Location | Avg ms | Avg calls | Impact | Command |
| ---- | -------- | -----: | --------: | -----: | ------- |
| view | app/views/topics/index.html.erb | 8.02 | 0.94 | 16.47% |  |
| sql | app/views/topics/index.html.erb:15 | 1.44 | 2.82 | 8.85% | `SELECT DISTINCT "topics".* FROM "topics" INNER JOIN "essays" ON "essays"."topic…` |
| sql | app/views/layouts/application.html.erb:237 | 1.25 | 2.82 | 7.70% | `SELECT "essays".* FROM "essays" WHERE "essays"."status" = ? ORDER BY "essays"."…` |
| sql | app/views/layouts/application.html.erb:249 | 3.56 | 0.94 | 7.31% | `SELECT categories.*, sum(essays.hits_nb) as hits_sum FROM "categories" INNER JO…` |
| sql | app/models/category.rb:177 | 3.05 | 0.94 | 6.26% | `SELECT "categories".* FROM "categories" INNER JOIN "groups" ON "groups"."id" = …` |
| code | app/controllers/topics_controller.rb:9 | 2.87 | 1.0 | 6.26% | `TopicsController#index` |
| view | app/views/layouts/application.html.erb | 3.02 | 0.94 | 6.21% |  |
| sql | app/models/category.rb:163 | 2.55 | 0.94 | 5.24% | `SELECT "categories".* FROM "categories" INNER JOIN "groups" ON "groups"."id" = …` |
| sql | app/models/category.rb:112 | 0.84 | 2.81 | 5.17% | `SELECT "quiz_questions".* FROM "quiz_questions" WHERE "quiz_questions"."categor…` |
| queue | queue | 1.86 | 1.0 | 4.07% |  |
| gc | ruby/gc.c | 3.57 | 0.4 | 3.11% | `GC.start` |
| sql | app/controllers/topics_controller.rb:11 | 1.05 | 1.0 | 2.29% | `SELECT "categories".* FROM "categories" WHERE "categories"."slug" = ? LIMIT ?` |
| rack | /app/vendor/bundle/ruby/4.0.0/gems/warden-1.2.9/lib/warden/manager.rb:30 | 0.59 | 0.99 | 1.27% | `Warden::Manager` |
| sql | app/views/topics/index.html.erb:23 | 0.9 | 0.58 | 1.14% | `SELECT COUNT(DISTINCT "topics"."id") FROM "topics" INNER JOIN "essays" ON "essa…` |
| view | vendor/bundle/ruby/4.0.0/gems/kaminari-core-1.2.2/app/views/kaminari/_paginator.html.erb | 0.76 | 0.64 | 1.05% |  |

[View on RoRvsWild ↗](https://www.rorvswild.com/applications/135493/requests/TopicsController%23index?range=2026-06-12+17%3A37%3A53+UTC..2026-06-12+22%3A46%3A41+UTC)