Request Details

Route
/users/:id PUT
Timestamp
Sep 22, 2026 3:09 PM
Duration
43.16 ms
Status
201
Response Size
16 KB
Error
No

Performance Breakdown

Database
29.2% (4 queries)
View Rendering
25.0%
Application Logic
45.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
43.16 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 47.1ms 94.2ms 141.2ms 188.3ms

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
posts/show 40 ms 92.7%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 18 ms 41.7%
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... 20 ms 46.3%
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... 8 ms 18.5%
posts/show 7 ms 16.2%
SELECT name FROM users 9 ms 20.9%
users#update 43 ms 100.0%
users#update 43 ms 100.0%