Request Details

Route
/users POST
Timestamp
Sep 22, 2026 8:10 PM
Duration
31.62 ms
Status
201
Response Size
14 KB
Error
No

Performance Breakdown

Database
18.5% (2 queries)
View Rendering
18.5%
Application Logic
63.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
37.0 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 50.1ms 100.2ms 150.4ms 200.5ms

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
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... 29 ms 91.7%
users#create 32 ms 100.0%
users#create 32 ms 100.0%
users#create 32 ms 100.0%
users#create 32 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 8 ms 25.3%
layouts/application 37 ms 117.0%