Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 22, 2026 9:12 PM
Duration
41.3 ms
Status
200
Response Size
12 KB
Error
No

Performance Breakdown

Database
44.6% (3 queries)
View Rendering
19.2%
Application Logic
36.1%
Other Operations
0.0%
Total Operations
5
Slowest Operation
41.3 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 28.6ms 57.2ms 85.7ms 114.3ms

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 41 ms 100.0%
SELECT id, name FROM users WHERE email = ? 19 ms 46.0%
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... 5 ms 12.1%
SELECT name FROM users 27 ms 65.4%
posts/show 22 ms 53.3%