Request Details

Route
/users POST
Timestamp
Sep 15, 2026 10:50 AM
Duration
21.99 ms
Status
200
Response Size
9.9 KB
Error
No

Performance Breakdown

Database
28.9% (1 query)
View Rendering
46.7%
Application Logic
24.4%
Other Operations
0.0%
Total Operations
4
Slowest Operation
32.0 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 22.5ms 45.0ms 67.5ms 90.0ms

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
layouts/application 10 ms 45.5%
layouts/application 32 ms 145.5%
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... 26 ms 118.3%
users#create 22 ms 100.0%