Request Details

Route
/users/:id PUT
Timestamp
Sep 10, 2026 5:32 PM
Duration
38.77 ms
Status
200
Response Size
21 KB
Error
No

Performance Breakdown

Database
20.1% (1 query)
View Rendering
35.5%
Application Logic
44.4%
Other Operations
0.0%
Total Operations
6
Slowest Operation
38.77 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 43.6ms 87.3ms 130.9ms 174.5ms

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/index 20 ms 51.6%
layouts/application 35 ms 90.3%
users#update 39 ms 100.0%
users#update 39 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... 35 ms 90.3%
users/index 7 ms 18.1%