Request Details

Route
/users/:id GET
Timestamp
Sep 10, 2026 3:42 PM
Duration
37.92 ms
Status
200
Response Size
18 KB
Error
No

Performance Breakdown

Database
8.7% (1 query)
View Rendering
12.5%
Application Logic
78.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
37.92 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 60.1ms 120.3ms 180.4ms 240.6ms

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... 21 ms 55.4%
users#show 38 ms 100.0%
home/index 22 ms 58.0%
users#show 38 ms 100.0%
users#show 38 ms 100.0%
users#show 38 ms 100.0%
users#show 38 ms 100.0%
users/index 8 ms 21.1%