Request Details

Route
/api/v1/users GET
Timestamp
Sep 12, 2026 3:51 AM
Duration
43.63 ms
Status
204
Response Size
18 KB
Error
No

Performance Breakdown

Database
25.9% (3 queries)
View Rendering
11.5%
Application Logic
62.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
43.63 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 69.6ms 139.3ms 208.9ms 278.5ms

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
api/v1/users#index 44 ms 100.0%
api/v1/users#index 44 ms 100.0%
api/v1/users#index 44 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 25 ms 57.3%
api/v1/users#index 44 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 16 ms 36.7%
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... 31 ms 71.0%
posts/show 32 ms 73.3%