Request Details

Route
/users/:id PUT
Timestamp
Sep 11, 2026 5:10 AM
Duration
217.38 ms
Status
200
Response Size
9.1 KB
Error
No

Performance Breakdown

Database
4.5% (2 queries)
View Rendering
4.7%
Application Logic
90.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
217.38 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 179.5ms 359.1ms 538.6ms 718.1ms

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
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... 16 ms 7.4%
users#update 217 ms 100.0%
users/index 6 ms 2.8%
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... 16 ms 7.4%
users/index 28 ms 12.9%
users#update 217 ms 100.0%
users#update 217 ms 100.0%