Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 20, 2026 10:48 AM
Duration
27.99 ms
Status
201
Response Size
13 KB
Error
No

Performance Breakdown

Database
47.5% (4 queries)
View Rendering
5.6%
Application Logic
46.9%
Other Operations
0.0%
Total Operations
8
Slowest Operation
28.0 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 44.7ms 89.5ms 134.2ms 179.0ms

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 > ? 12 ms 42.9%
users/settings#show 28 ms 100.0%
users/settings#show 28 ms 100.0%
SELECT id, name FROM users WHERE email = ? 17 ms 60.7%
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... 28 ms 100.0%
users/index 10 ms 35.7%
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... 28 ms 100.0%
users/settings#show 28 ms 100.0%