Request Details

Route
/admin/dashboard GET
Timestamp
Sep 19, 2026 10:08 AM
Duration
42.39 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
20.4% (3 queries)
View Rendering
17.9%
Application Logic
61.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
42.39 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 51.5ms 103.1ms 154.6ms 206.2ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 10 ms 23.6%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 20 ms 47.2%
admin/dashboard#index 42 ms 100.0%
layouts/application 31 ms 73.1%
users/index 6 ms 14.2%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 12 ms 28.3%
admin/dashboard#index 42 ms 100.0%
admin/dashboard#index 42 ms 100.0%