Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 22, 2026 3:31 PM
Duration
40.15 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
0.6% (1 query)
View Rendering
21.4%
Application Logic
78.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
40.15 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 38.6ms 77.2ms 115.8ms 154.4ms

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
users/settings#show 40 ms 100.0%
users/settings#show 40 ms 100.0%
layouts/application 21 ms 52.3%
home/index 12 ms 29.9%
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 > ? 1 ms 2.5%
users/settings#show 40 ms 100.0%