Request Details

Route
/users POST
Timestamp
Sep 22, 2026 10:03 PM
Duration
21.24 ms
Status
201
Response Size
6.9 KB
Error
No

Performance Breakdown

Database
53.0% (2 queries)
View Rendering
8.2%
Application Logic
38.8%
Other Operations
0.0%
Total Operations
5
Slowest Operation
30.0 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 27.4ms 54.7ms 82.1ms 109.5ms

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%
layouts/application 9 ms 42.4%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 28 ms 131.8%
users#create 21 ms 100.0%
DELETE FROM posts WHERE id = ? 30 ms 141.2%