Request Details

Route
/users/:id GET
Timestamp
Sep 09, 2026 10:02 PM
Duration
33.33 ms
Status
201
Response Size
18 KB
Error
No

Performance Breakdown

Database
43.5% (3 queries)
View Rendering
26.3%
Application Logic
30.2%
Other Operations
0.0%
Total Operations
5
Slowest Operation
33.33 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 27.6ms 55.2ms 82.7ms 110.3ms

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
posts/show 29 ms 87.0%
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... 11 ms 33.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 31 ms 93.0%
SELECT * FROM users WHERE id = ? 6 ms 18.0%
users#show 33 ms 100.0%