Request Details

Route
/api_simple GET
Timestamp
Sep 19, 2026 6:56 PM
Duration
13.32 ms
Status
200
Response Size
2.1 KB
Error
No

Performance Breakdown

Database
28.2% (1 query)
View Rendering
29.0%
Application Logic
42.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
35.0 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 31.1ms 62.1ms 93.2ms 124.3ms

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
home#api_simple 13 ms 100.0%
home#api_simple 13 ms 100.0%
posts/show 31 ms 232.7%
home#api_simple 13 ms 100.0%
home/index 5 ms 37.5%
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 > ? 35 ms 262.7%
home#api_simple 13 ms 100.0%