Request Details

Route
/users/:id PUT
Timestamp
Sep 22, 2026 12:52 AM
Duration
26.02 ms
Status
201
Response Size
3.5 KB
Error
No

Performance Breakdown

Database
22.2% (3 queries)
View Rendering
13.6%
Application Logic
64.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
26.02 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 40.5ms 81.0ms 121.6ms 162.1ms

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
layouts/application 22 ms 84.5%
users#update 26 ms 100.0%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 18 ms 69.2%
users#update 26 ms 100.0%
SELECT id, name, email FROM users WHERE id = ? 9 ms 34.6%
users#update 26 ms 100.0%
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... 9 ms 34.6%
users#update 26 ms 100.0%