Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 8:48 AM
Duration
38.18 ms
Status
201
Response Size
808 Bytes
Error
No

Performance Breakdown

Database
25.6% (2 queries)
View Rendering
9.4%
Application Logic
65.1%
Other Operations
0.0%
Total Operations
5
Slowest Operation
38.18 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 29.3ms 58.7ms 88.0ms 117.4ms

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
home#api_simple 38 ms 100.0%
home#api_simple 38 ms 100.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 12 ms 31.4%
layouts/application 11 ms 28.8%
SELECT name FROM users 18 ms 47.1%