Request Details

Route
/users POST
Timestamp
Sep 16, 2026 6:00 AM
Duration
49.65 ms
Status
404
Response Size
1.3 KB
Error
No

Performance Breakdown

Database
23.9% (2 queries)
View Rendering
24.4%
Application Logic
51.6%
Other Operations
0.0%
Total Operations
6
Slowest Operation
49.65 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 48.1ms 96.1ms 144.2ms 192.3ms

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
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 20 ms 40.3%
posts/show 9 ms 18.1%
users#create 50 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... 26 ms 52.4%
home/index 38 ms 76.5%
users#create 50 ms 100.0%