Request Details

Route
/api_simple GET
Timestamp
Sep 21, 2026 10:10 AM
Duration
26.18 ms
Status
204
Response Size
272 Bytes
Error
No

Performance Breakdown

Database
35.4% (2 queries)
View Rendering
21.4%
Application Logic
43.1%
Other Operations
0.0%
Total Operations
5
Slowest Operation
32.0 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 30.3ms 60.7ms 91.0ms 121.4ms

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.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 11 ms 42.0%
home#api_simple 26 ms 100.0%
SELECT name FROM users 32 ms 122.2%
home#api_simple 26 ms 100.0%
posts/show 26 ms 99.3%