Request Details

Route
/api/v1/users GET
Timestamp
Sep 22, 2026 11:29 AM
Duration
43.32 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
32.2% (3 queries)
View Rendering
24.8%
Application Logic
43.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
43.32 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 50.4ms 100.8ms 151.2ms 201.6ms

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 43 ms 100.0%
home/index 19 ms 43.9%
layouts/application 7 ms 16.2%
SELECT COUNT(*) FROM comments WHERE post_id = ? 27 ms 62.3%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 11 ms 25.4%
posts/show 24 ms 55.4%
api/v1/users#index 43 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 27 ms 62.3%