Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 19, 2026 10:52 AM
Duration
18.06 ms
Status
200
Response Size
15 KB
Error
No

Performance Breakdown

Database
60.0% (3 queries)
View Rendering
20.0%
Application Logic
20.1%
Other Operations
0.0%
Total Operations
5
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 22.5ms 45.0ms 67.5ms 90.1ms

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 (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 19 ms 105.2%
SELECT * FROM users WHERE id = ? 28 ms 155.0%
users/settings#show 18 ms 100.0%
posts/show 18 ms 99.7%
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... 7 ms 38.8%