Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 6:47 AM
Duration
14.64 ms
Status
200
Response Size
302 Bytes
Error
No

Performance Breakdown

Database
7.6% (1 query)
View Rendering
73.8%
Application Logic
18.6%
Other Operations
0.0%
Total Operations
4
Slowest Operation
30.0 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 19.7ms 39.3ms 59.0ms 78.6ms

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 users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 6 ms 41.0%
posts/show 28 ms 191.3%
home#api_simple 15 ms 100.0%
users/index 30 ms 204.9%