Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 4:34 PM
Duration
26.49 ms
Status
201
Response Size
2 KB
Error
No

Performance Breakdown

Database
6.6% (2 queries)
View Rendering
27.4%
Application Logic
66.0%
Other Operations
0.0%
Total Operations
7
Slowest Operation
26.49 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 30.1ms 60.2ms 90.4ms 120.5ms

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
home#api_simple 26 ms 100.0%
posts/show 21 ms 79.3%
home#api_simple 26 ms 100.0%
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 > ? 3 ms 11.3%
home/index 12 ms 45.3%
SELECT * FROM users WHERE id = ? 5 ms 18.9%
home#api_simple 26 ms 100.0%