Request Details

Route
/api_simple GET
Timestamp
Sep 11, 2026 4:46 AM
Duration
15.12 ms
Status
200
Response Size
853 Bytes
Error
No

Performance Breakdown

Database
1.1% (1 query)
View Rendering
16.4%
Application Logic
82.5%
Other Operations
0.0%
Total Operations
7
Slowest Operation
15.12 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 22.9ms 45.8ms 68.7ms 91.6ms

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
home/index 15 ms 99.2%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 1 ms 6.6%
home#api_simple 15 ms 100.0%
home#api_simple 15 ms 100.0%
home#api_simple 15 ms 100.0%
home#api_simple 15 ms 100.0%
home#api_simple 15 ms 100.0%