Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 10, 2026 11:41 PM
Duration
37.88 ms
Status
204
Response Size
4.1 KB
Error
No

Performance Breakdown

Database
42.5% (1 query)
View Rendering
57.5%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
36.0 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
View
Database
0.0ms 20.0ms 40.0ms 60.0ms 80.0ms

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
posts/show 36 ms 95.0%
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... 34 ms 89.8%
home/index 10 ms 26.4%