Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 12, 2026 9:51 AM
Duration
39.85 ms
Status
200
Response Size
18 KB
Error
No

Performance Breakdown

Database
4.6% (1 query)
View Rendering
28.2%
Application Logic
67.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
39.85 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 59.4ms 118.7ms 178.1ms 237.4ms

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%
posts/show 21 ms 52.7%
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... 11 ms 27.6%
users/index 35 ms 87.8%
users/settings#show 40 ms 100.0%
home/index 11 ms 27.6%
users/settings#show 40 ms 100.0%
users/settings#show 40 ms 100.0%