Request Details

Route
/api/v1/users GET
Timestamp
Sep 14, 2026 5:08 PM
Duration
54.54 ms
Status
204
Response Size
15 KB
Error
No

Performance Breakdown

Database
15.5% (2 queries)
View Rendering
17.0%
Application Logic
67.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
54.54 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 80.8ms 161.6ms 242.4ms 323.2ms

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
DELETE FROM comments WHERE created_at < ? 19 ms 34.8%
api/v1/users#index 55 ms 100.0%
api/v1/users#index 55 ms 100.0%
posts/show 30 ms 55.0%
api/v1/users#index 55 ms 100.0%
posts/show 25 ms 45.8%
api/v1/users#index 55 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 > ? 31 ms 56.8%