Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 15, 2026 7:21 AM
Duration
52.68 ms
Status
204
Response Size
20 KB
Error
No

Performance Breakdown

Database
20.6% (2 queries)
View Rendering
50.1%
Application Logic
29.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
52.68 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 44.9ms 89.8ms 134.8ms 179.7ms

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
home/index 5 ms 9.5%
posts/show 8 ms 15.2%
home/index 5 ms 9.5%
posts/show 32 ms 60.7%
posts/show 40 ms 75.9%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 22 ms 41.8%
users/settings#show 53 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 15 ms 28.5%