Request Details

Route
/users/:id PUT
Timestamp
Sep 20, 2026 3:35 PM
Duration
16.07 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
13.4% (1 query)
View Rendering
58.0%
Application Logic
28.7%
Other Operations
0.0%
Total Operations
5
Slowest Operation
39.0 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
Action
View
Database
0.0ms 28.0ms 56.1ms 84.1ms 112.1ms

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
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... 15 ms 93.3%
layouts/application 39 ms 242.6%
users#update 16 ms 100.0%
home/index 26 ms 161.8%
users#update 16 ms 100.0%