Request Details

Route
/users/:id GET
Timestamp
Sep 09, 2026 1:56 PM
Duration
51.72 ms
Status
200
Response Size
6.9 KB
Error
No

Performance Breakdown

Database
7.1% (2 queries)
View Rendering
36.5%
Application Logic
56.4%
Other Operations
0.0%
Total Operations
6
Slowest Operation
51.72 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 45.9ms 91.7ms 137.6ms 183.4ms

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
SELECT * FROM users WHERE id = ? 4 ms 7.7%
layouts/application 30 ms 58.0%
home/index 37 ms 71.5%
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... 9 ms 17.4%
users#show 52 ms 100.0%
users#show 52 ms 100.0%