Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 09, 2026 2:02 PM
Duration
31.17 ms
Status
200
Response Size
8.5 KB
Error
No

Performance Breakdown

Database
32.5% (3 queries)
View Rendering
14.2%
Application Logic
53.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
31.17 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 43.9ms 87.8ms 131.6ms 175.5ms

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 31 ms 100.0%
users/index 5 ms 16.0%
users/index 20 ms 64.2%
users/settings#show 31 ms 100.0%
SELECT name FROM users 21 ms 67.4%
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... 7 ms 22.5%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 29 ms 93.0%
users/settings#show 31 ms 100.0%