Request Details

Route
/users/:id GET
Timestamp
Sep 09, 2026 6:29 PM
Duration
20.45 ms
Status
201
Response Size
13 KB
Error
No

Performance Breakdown

Database
43.2% (3 queries)
View Rendering
16.0%
Application Logic
40.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
26.0 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 37.6ms 75.2ms 112.8ms 150.3ms

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 users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 20 ms 97.8%
layouts/application 24 ms 117.4%
users#show 20 ms 100.0%
users#show 20 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 19 ms 92.9%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 26 ms 127.2%
users#show 20 ms 100.0%