Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 23, 2026 4:19 AM
Duration
35.57 ms
Status
201
Response Size
5.5 KB
Error
No

Performance Breakdown

Database
7.9% (2 queries)
View Rendering
15.7%
Application Logic
76.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
35.57 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 34.9ms 69.9ms 104.8ms 139.7ms

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
users/settings#show 36 ms 100.0%
users/settings#show 36 ms 100.0%
users/settings#show 36 ms 100.0%
home/index 10 ms 28.1%
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... 10 ms 28.1%
layouts/application 12 ms 33.7%
SELECT id, name, email FROM users WHERE id = ? 1 ms 2.8%