Request Details

Route
/users/:id PUT
Timestamp
Sep 22, 2026 11:06 PM
Duration
55.31 ms
Status
201
Response Size
3.4 KB
Error
No

Performance Breakdown

Database
32.2% (2 queries)
View Rendering
23.3%
Application Logic
44.5%
Other Operations
0.0%
Total Operations
4
Slowest Operation
55.31 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 31.1ms 62.2ms 93.2ms 124.3ms

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 users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 16 ms 28.9%
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... 24 ms 43.4%
users#update 55 ms 100.0%
layouts/application 29 ms 52.4%