Request Details

Route
/users/:id PUT
Timestamp
Sep 22, 2026 6:25 PM
Duration
12.03 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
40.0% (2 queries)
View Rendering
31.2%
Application Logic
28.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
39.0 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 31.3ms 62.5ms 93.8ms 125.1ms

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#update 12 ms 100.0%
layouts/application 39 ms 324.3%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 29 ms 241.1%
users#update 12 ms 100.0%
users#update 12 ms 100.0%
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... 21 ms 174.6%