Request Details

Route
/users/:id PUT
Timestamp
Sep 22, 2026 7:31 AM
Duration
28.46 ms
Status
204
Response Size
18 KB
Error
No

Performance Breakdown

Database
24.3% (2 queries)
View Rendering
14.1%
Application Logic
61.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
32.0 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 46.2ms 92.4ms 138.6ms 184.8ms

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
DELETE FROM posts WHERE id = ? 13 ms 45.7%
users#update 28 ms 100.0%
users#update 28 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... 32 ms 112.4%
posts/show 26 ms 91.4%
users#update 28 ms 100.0%
users#update 28 ms 100.0%