Request Details

Route
/users POST
Timestamp
Sep 22, 2026 10:42 PM
Duration
71.08 ms
Status
200
Response Size
10 KB
Error
No

Performance Breakdown

Database
11.7% (3 queries)
View Rendering
0.0%
Application Logic
88.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
71.08 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
Database
0.0ms 100.6ms 201.2ms 301.8ms 402.4ms

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 DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 20 ms 28.1%
users#create 71 ms 100.0%
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... 7 ms 9.8%
users#create 71 ms 100.0%
users#create 71 ms 100.0%
users#create 71 ms 100.0%
users#create 71 ms 100.0%
SELECT * FROM users WHERE id = ? 20 ms 28.1%