Request Details

Route
/users/:id GET
Timestamp
Sep 22, 2026 7:35 PM
Duration
84.8 ms
Status
201
Response Size
3.5 KB
Error
No

Performance Breakdown

Database
11.2% (2 queries)
View Rendering
26.6%
Application Logic
62.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
84.8 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 102.4ms 204.7ms 307.1ms 409.4ms

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
layouts/application 36 ms 42.5%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 22 ms 25.9%
layouts/application 39 ms 46.0%
users#show 85 ms 100.0%
users#show 85 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 24 ms 28.3%
posts/show 34 ms 40.1%
users#show 85 ms 100.0%