Request Details

Route
/users/:id GET
Timestamp
Sep 19, 2026 9:21 AM
Duration
29.61 ms
Status
204
Response Size
12 KB
Error
No

Performance Breakdown

Database
41.1% (4 queries)
View Rendering
37.5%
Application Logic
21.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
40.0 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 34.7ms 69.3ms 104.0ms 138.6ms

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 WHERE id = ? 5 ms 16.9%
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... 30 ms 101.3%
home/index 40 ms 135.1%
SELECT id, name FROM users WHERE email = ? 17 ms 57.4%
users#show 30 ms 100.0%
users/index 12 ms 40.5%
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... 5 ms 16.9%