Request Details

Route
/api/v1/users GET
Timestamp
Sep 22, 2026 8:42 AM
Duration
21.2 ms
Status
201
Response Size
5.1 KB
Error
No

Performance Breakdown

Database
26.0% (2 queries)
View Rendering
7.1%
Application Logic
66.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
23.0 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 31.7ms 63.4ms 95.1ms 126.8ms

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
api/v1/users#index 21 ms 100.0%
posts/show 9 ms 42.5%
api/v1/users#index 21 ms 100.0%
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... 23 ms 108.5%
SELECT name FROM users 10 ms 47.2%
api/v1/users#index 21 ms 100.0%
api/v1/users#index 21 ms 100.0%