Request Details

Route
/users/:id GET
Timestamp
Sep 23, 2026 5:56 AM
Duration
47.1 ms
Status
201
Response Size
15 KB
Error
No

Performance Breakdown

Database
28.1% (4 queries)
View Rendering
4.8%
Application Logic
67.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
47.1 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 52.6ms 105.1ms 157.7ms 210.3ms

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... 3 ms 6.4%
users#show 47 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 29 ms 61.6%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 8 ms 17.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 19 ms 40.3%
users#show 47 ms 100.0%
layouts/application 10 ms 21.2%
users#show 47 ms 100.0%