Request Details

Route
/users POST
Timestamp
Sep 22, 2026 10:56 PM
Duration
28.34 ms
Status
204
Response Size
7.5 KB
Error
No

Performance Breakdown

Database
29.1% (3 queries)
View Rendering
51.3%
Application Logic
19.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
33.0 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 36.1ms 72.2ms 108.3ms 144.3ms

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 7 ms 24.7%
layouts/application 17 ms 60.0%
SELECT * FROM posts WHERE created_at > ? 1 ms 3.5%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 33 ms 116.5%
users/index 20 ms 70.6%
users#create 28 ms 100.0%
home/index 30 ms 105.9%
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... 8 ms 28.2%