Request Details

Route
/users POST
Timestamp
Sep 11, 2026 3:50 AM
Duration
21.23 ms
Status
200
Response Size
8 KB
Error
No

Performance Breakdown

Database
6.6% (2 queries)
View Rendering
62.3%
Application Logic
31.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
40.0 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 34.1ms 68.2ms 102.3ms 136.5ms

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#create 21 ms 100.0%
posts/show 16 ms 75.4%
users/index 29 ms 136.6%
SELECT * FROM users WHERE id = ? 3 ms 14.1%
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... 6 ms 28.3%
layouts/application 40 ms 188.4%