Request Details

Route
/users/:id GET
Timestamp
Sep 09, 2026 4:23 AM
Duration
44.71 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
2.8% (1 query)
View Rendering
35.3%
Application Logic
61.9%
Other Operations
0.0%
Total Operations
5
Slowest Operation
44.71 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 36.1ms 72.2ms 108.3ms 144.4ms

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#show 45 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... 4 ms 8.9%
layouts/application 37 ms 82.8%
users#show 45 ms 100.0%
posts/show 14 ms 31.3%