Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 17, 2026 9:28 PM
Duration
42.71 ms
Status
201
Response Size
5 KB
Error
No

Performance Breakdown

Database
28.3% (2 queries)
View Rendering
39.0%
Application Logic
32.7%
Other Operations
0.0%
Total Operations
5
Slowest Operation
42.71 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 32.7ms 65.4ms 98.0ms 130.7ms

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 users WHERE id = ? 17 ms 39.8%
users/settings#show 43 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 20 ms 46.8%
home/index 30 ms 70.2%
posts/show 21 ms 49.2%