Request Details

Route
/users POST
Timestamp
Sep 09, 2026 6:10 PM
Duration
21.0 ms
Status
201
Response Size
10 KB
Error
No

Performance Breakdown

Database
18.8% (2 queries)
View Rendering
19.4%
Application Logic
61.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
33.0 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 42.5ms 85.0ms 127.5ms 170.0ms

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#create 21 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... 7 ms 33.3%
users#create 21 ms 100.0%
users#create 21 ms 100.0%
users#create 21 ms 100.0%
layouts/application 33 ms 157.1%
users#create 21 ms 100.0%
SELECT * FROM users WHERE id = ? 25 ms 119.0%