Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 23, 2026 2:10 AM
Duration
29.42 ms
Status
204
Response Size
19 KB
Error
No

Performance Breakdown

Database
21.5% (2 queries)
View Rendering
39.0%
Application Logic
39.5%
Other Operations
0.0%
Total Operations
4
Slowest Operation
29.42 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 18.6ms 37.2ms 55.8ms 74.4ms

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
users/settings#show 29 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... 14 ms 47.6%
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 > ? 2 ms 6.8%
users/index 29 ms 98.6%