Request Details

Route
/users POST
Timestamp
Sep 21, 2026 9:45 PM
Duration
12.7 ms
Status
200
Response Size
12 KB
Error
No

Performance Breakdown

Database
43.6% (2 queries)
View Rendering
42.5%
Application Logic
13.9%
Other Operations
0.0%
Total Operations
4
Slowest Operation
39.0 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 22.9ms 45.9ms 68.8ms 91.7ms

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/index 39 ms 307.0%
DELETE FROM posts WHERE id = ? 9 ms 70.8%
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 244.0%
users#create 13 ms 100.0%