Request Details

Route
/api_simple GET
Timestamp
Sep 15, 2026 1:57 AM
Duration
10.0 ms
Status
200
Response Size
1.1 KB
Error
No

Performance Breakdown

Database
69.7% (4 queries)
View Rendering
0.0%
Application Logic
30.3%
Other Operations
0.0%
Total Operations
7
Slowest Operation
27.0 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
Database
0.0ms 24.8ms 49.5ms 74.3ms 99.0ms

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 10 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 > ? 12 ms 120.0%
SELECT * FROM posts WHERE created_at > ? 11 ms 110.0%
home#api_simple 10 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 19 ms 190.0%
SELECT * FROM users WHERE id = ? 27 ms 270.0%
home#api_simple 10 ms 100.0%