Request Details

Route
/api/v1/users GET
Timestamp
Sep 10, 2026 6:07 PM
Duration
154.76 ms
Status
200
Response Size
14 KB
Error
No

Performance Breakdown

Database
19.5% (4 queries)
View Rendering
6.9%
Application Logic
73.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
154.76 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 105.1ms 210.3ms 315.4ms 420.5ms

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 155 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 13 ms 8.4%
api/v1/users#index 155 ms 100.0%
home/index 29 ms 18.7%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 14 ms 9.0%
DELETE FROM comments WHERE created_at < ? 26 ms 16.8%
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... 29 ms 18.7%