Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 15, 2026 8:31 PM
Duration
46.5 ms
Status
204
Response Size
4.2 KB
Error
No

Performance Breakdown

Database
18.9% (2 queries)
View Rendering
44.5%
Application Logic
36.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
46.5 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 63.5ms 127.0ms 190.5ms 254.0ms

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 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... 31 ms 66.7%
home/index 39 ms 83.9%
users/index 36 ms 77.4%
home/index 38 ms 81.7%
users/settings#show 47 ms 100.0%
users/settings#show 47 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 > ? 17 ms 36.6%