Request Details

Route
/api/v1/users GET
Timestamp
Sep 13, 2026 3:00 PM
Duration
40.7 ms
Status
200
Response Size
14 KB
Error
No

Performance Breakdown

Database
20.6% (2 queries)
View Rendering
19.6%
Application Logic
59.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
40.7 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 51.0ms 102.1ms 153.1ms 204.1ms

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 41 ms 100.0%
api/v1/users#index 41 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... 17 ms 41.8%
api/v1/users#index 41 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... 25 ms 61.4%
posts/show 40 ms 98.3%