Request Details

Route
/users/:id GET
Timestamp
Sep 11, 2026 3:19 AM
Duration
69.59 ms
Status
200
Response Size
17 KB
Error
No

Performance Breakdown

Database
3.4% (2 queries)
View Rendering
16.6%
Application Logic
79.9%
Other Operations
0.0%
Total Operations
6
Slowest Operation
69.59 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 43.5ms 87.1ms 130.6ms 174.2ms

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 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... 4 ms 5.7%
layouts/application 12 ms 17.2%
users#show 70 ms 100.0%
layouts/application 17 ms 24.4%
users#show 70 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 2 ms 2.9%