Request Details

Route
/users/:id PUT
Timestamp
Sep 23, 2026 3:09 AM
Duration
62.81 ms
Status
201
Response Size
14 KB
Error
No

Performance Breakdown

Database
16.1% (2 queries)
View Rendering
13.1%
Application Logic
70.7%
Other Operations
0.0%
Total Operations
7
Slowest Operation
62.81 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 66.6ms 133.2ms 199.8ms 266.4ms

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 63 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... 11 ms 17.5%
layouts/application 14 ms 22.3%
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... 32 ms 51.0%
users#update 63 ms 100.0%
posts/show 21 ms 33.4%
users#update 63 ms 100.0%