Request Details

Route
/users/:id PUT
Timestamp
Sep 23, 2026 1:51 AM
Duration
61.6 ms
Status
200
Response Size
9 KB
Error
No

Performance Breakdown

Database
17.4% (3 queries)
View Rendering
14.1%
Application Logic
68.5%
Other Operations
0.0%
Total Operations
7
Slowest Operation
61.6 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 67.4ms 134.9ms 202.3ms 269.8ms

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
SELECT name FROM users 18 ms 29.2%
users/index 38 ms 61.7%
users#update 62 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... 6 ms 9.7%
users#update 62 ms 100.0%
users#update 62 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... 23 ms 37.3%