Request Details

Route
/users/:id GET
Timestamp
Sep 22, 2026 9:59 AM
Duration
20.87 ms
Status
201
Response Size
22 KB
Error
No

Performance Breakdown

Database
30.8% (3 queries)
View Rendering
49.1%
Application Logic
20.1%
Other Operations
0.0%
Total Operations
6
Slowest Operation
29.0 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 26.0ms 51.9ms 77.9ms 103.9ms

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
users/index 29 ms 138.9%
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... 16 ms 76.7%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 1 ms 4.8%
users#show 21 ms 100.0%
posts/show 22 ms 105.4%
SELECT * FROM posts WHERE created_at > ? 15 ms 71.9%