Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 22, 2026 11:00 AM
Duration
26.83 ms
Status
201
Response Size
12 KB
Error
No

Performance Breakdown

Database
32.0% (2 queries)
View Rendering
35.0%
Application Logic
33.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
39.0 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 40.7ms 81.3ms 122.0ms 162.7ms

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 COUNT(*) FROM comments WHERE post_id = ? 28 ms 104.4%
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... 24 ms 89.4%
users/settings#show 27 ms 100.0%
layouts/application 39 ms 145.4%
users/settings#show 27 ms 100.0%
users/index 18 ms 67.1%