Request Details

Route
/users POST
Timestamp
Sep 22, 2026 10:48 PM
Duration
15.78 ms
Status
204
Response Size
5.2 KB
Error
No

Performance Breakdown

Database
30.3% (2 queries)
View Rendering
56.4%
Application Logic
13.3%
Other Operations
0.0%
Total Operations
6
Slowest Operation
38.0 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 29.7ms 59.4ms 89.1ms 118.8ms

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
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 9 ms 57.0%
users/index 38 ms 240.8%
users/index 9 ms 57.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 27 ms 171.1%
home/index 20 ms 126.8%
users#create 16 ms 100.0%