Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 12, 2026 3:11 AM
Duration
37.22 ms
Status
204
Response Size
19 KB
Error
No

Performance Breakdown

Database
50.4% (4 queries)
View Rendering
15.6%
Application Logic
34.1%
Other Operations
0.0%
Total Operations
6
Slowest Operation
37.22 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 27.3ms 54.6ms 81.9ms 109.2ms

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
SELECT * FROM posts WHERE created_at > ? 16 ms 43.0%
SELECT * FROM posts WHERE created_at > ? 4 ms 10.7%
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... 34 ms 91.4%
users/settings#show 37 ms 100.0%
layouts/application 17 ms 45.7%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 1 ms 2.7%