Request Details

Route
/users/:id GET
Timestamp
Sep 23, 2026 2:27 AM
Duration
30.02 ms
Status
204
Response Size
14 KB
Error
No

Performance Breakdown

Database
11.6% (2 queries)
View Rendering
22.1%
Application Logic
66.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
30.02 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 45.3ms 90.5ms 135.8ms 181.1ms

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... 17 ms 56.6%
posts/show 29 ms 96.6%
users#show 30 ms 100.0%
users#show 30 ms 100.0%
home/index 11 ms 36.6%
users#show 30 ms 100.0%
users#show 30 ms 100.0%
SELECT COUNT(*) FROM comments WHERE post_id = ? 4 ms 13.3%