Request Details

Route
/api_simple GET
Timestamp
Sep 09, 2026 11:24 AM
Duration
26.9 ms
Status
200
Response Size
505 Bytes
Error
No

Performance Breakdown

Database
18.6% (1 query)
View Rendering
25.8%
Application Logic
55.6%
Other Operations
0.0%
Total Operations
4
Slowest Operation
26.9 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 24.2ms 48.4ms 72.6ms 96.8ms

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
posts/show 25 ms 92.9%
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... 18 ms 66.9%
home#api_simple 27 ms 100.0%
home#api_simple 27 ms 100.0%