Request Details

Route
/users/:id GET
Timestamp
Sep 12, 2026 5:34 AM
Duration
47.18 ms
Status
200
Response Size
8.9 KB
Error
No

Performance Breakdown

Database
20.9% (2 queries)
View Rendering
13.5%
Application Logic
65.7%
Other Operations
0.0%
Total Operations
7
Slowest Operation
47.18 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 53.9ms 107.8ms 161.6ms 215.5ms

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 8 ms 17.0%
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... 13 ms 27.6%
users#show 47 ms 100.0%
users#show 47 ms 100.0%
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... 32 ms 67.8%
users#show 47 ms 100.0%
layouts/application 21 ms 44.5%