Request Details

Route
/users/:id GET
Timestamp
Sep 16, 2026 7:36 PM
Duration
11.96 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
18.6% (1 query)
View Rendering
25.6%
Application Logic
55.7%
Other Operations
0.0%
Total Operations
4
Slowest Operation
11.96 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 10.7ms 21.5ms 32.2ms 42.9ms

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
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... 8 ms 66.9%
users#show 12 ms 100.0%
layouts/application 11 ms 92.0%
users#show 12 ms 100.0%