Request Details

Route
/api/v1/users GET
Timestamp
Sep 11, 2026 4:45 AM
Duration
36.34 ms
Status
200
Response Size
18 KB
Error
No

Performance Breakdown

Database
46.1% (2 queries)
View Rendering
23.5%
Application Logic
30.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
36.34 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 29.8ms 59.7ms 89.5ms 119.3ms

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 * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 57.8%
api/v1/users#index 36 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... 34 ms 93.6%
posts/show 20 ms 55.0%
layouts/application 8 ms 22.0%