Request Details

Route
/users/:id GET
Timestamp
Sep 09, 2026 2:55 PM
Duration
48.94 ms
Status
204
Response Size
3.2 KB
Error
No

Performance Breakdown

Database
29.2% (4 queries)
View Rendering
46.5%
Application Logic
24.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
48.94 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 50.5ms 101.0ms 151.5ms 201.9ms

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
users/index 24 ms 49.0%
SELECT * FROM posts WHERE created_at > ? 10 ms 20.4%
SELECT * FROM users WHERE id = ? 23 ms 47.0%
users#show 49 ms 100.0%
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... 16 ms 32.7%
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... 10 ms 20.4%
layouts/application 35 ms 71.5%
posts/show 35 ms 71.5%