Request Details

Route
/api/v1/users GET
Timestamp
Sep 18, 2026 7:33 PM
Duration
25.22 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
38.9% (4 queries)
View Rendering
21.8%
Application Logic
39.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
25.22 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 32.1ms 64.2ms 96.3ms 128.4ms

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 25 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 > ? 19 ms 75.3%
api/v1/users#index 25 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 4.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 83.3%
layouts/application 14 ms 55.5%
home/index 14 ms 55.5%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 9 ms 35.7%