Request Details

Route
/users POST
Timestamp
Sep 22, 2026 10:16 PM
Duration
39.97 ms
Status
200
Response Size
14 KB
Error
No

Performance Breakdown

Database
33.6% (3 queries)
View Rendering
16.0%
Application Logic
50.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
39.97 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 59.5ms 119.0ms 178.4ms 237.9ms

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 name FROM users 23 ms 57.5%
users#create 40 ms 100.0%
SELECT id, name, email FROM users WHERE id = ? 26 ms 65.0%
posts/show 38 ms 95.1%
users#create 40 ms 100.0%
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... 31 ms 77.6%
users#create 40 ms 100.0%