Request Details

Route
/users POST
Timestamp
Sep 22, 2026 10:32 PM
Duration
47.79 ms
Status
204
Response Size
3 KB
Error
No

Performance Breakdown

Database
33.2% (3 queries)
View Rendering
34.5%
Application Logic
32.3%
Other Operations
0.0%
Total Operations
6
Slowest Operation
47.79 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 36.9ms 73.9ms 110.8ms 147.8ms

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
posts/show 38 ms 79.5%
layouts/application 13 ms 27.2%
SELECT * FROM users WHERE id = ? 20 ms 41.8%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 22 ms 46.0%
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... 7 ms 14.6%
users#create 48 ms 100.0%