Request Details

Route
/users/:id GET
Timestamp
Sep 23, 2026 2:54 AM
Duration
27.51 ms
Status
200
Response Size
18 KB
Error
No

Performance Breakdown

Database
38.2% (3 queries)
View Rendering
19.1%
Application Logic
42.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
32.0 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 48.4ms 96.8ms 145.1ms 193.5ms

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
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 32 ms 116.3%
SELECT * FROM users WHERE id = ? 26 ms 94.5%
posts/show 29 ms 105.4%
users#show 28 ms 100.0%
users#show 28 ms 100.0%
users#show 28 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 16 ms 58.2%
layouts/application 8 ms 29.1%