Request Details

Route
/users/:id PUT
Timestamp
Sep 10, 2026 4:33 AM
Duration
43.22 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
28.2% (2 queries)
View Rendering
28.2%
Application Logic
43.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
43.22 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 49.6ms 99.2ms 148.8ms 198.4ms

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
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 25 ms 57.8%
users#update 43 ms 100.0%
users#update 43 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 31 ms 71.7%
layouts/application 10 ms 23.1%
home/index 22 ms 50.9%
posts/show 24 ms 55.5%