Request Details

Route
/users/:id GET
Timestamp
Sep 12, 2026 3:17 AM
Duration
20.55 ms
Status
201
Response Size
9.2 KB
Error
No

Performance Breakdown

Database
32.3% (4 queries)
View Rendering
35.4%
Application Logic
32.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
29.0 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 31.8ms 63.6ms 95.3ms 127.1ms

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 16 ms 77.9%
posts/show 29 ms 141.1%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 6 ms 29.2%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 102.2%
users#show 21 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 1 ms 4.9%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 13 ms 63.3%
users#show 21 ms 100.0%