Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 10, 2026 4:57 AM
Duration
53.56 ms
Status
204
Response Size
10 KB
Error
No

Performance Breakdown

Database
36.6% (4 queries)
View Rendering
33.8%
Application Logic
29.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
53.56 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 45.1ms 90.3ms 135.4ms 180.6ms

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
layouts/application 21 ms 39.2%
SELECT name FROM users 8 ms 14.9%
users/settings#show 54 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 24 ms 44.8%
users/index 6 ms 11.2%
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... 12 ms 22.4%
home/index 34 ms 63.5%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 22 ms 41.1%