Request Details

Route
/api_simple GET
Timestamp
Sep 10, 2026 4:31 PM
Duration
15.04 ms
Status
200
Response Size
286 Bytes
Error
No

Performance Breakdown

Database
18.2% (1 query)
View Rendering
81.8%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
37.0 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
View
Database
0.0ms 34.3ms 68.5ms 102.8ms 137.0ms

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
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 > ? 25 ms 166.2%
layouts/application 8 ms 53.2%
users/index 8 ms 53.2%
users/index 31 ms 206.1%
posts/show 37 ms 246.0%
posts/show 28 ms 186.2%