Request Details

Route
/api_simple GET
Timestamp
Sep 19, 2026 4:11 PM
Duration
10.19 ms
Status
201
Response Size
285 Bytes
Error
No

Performance Breakdown

Database
69.0% (2 queries)
View Rendering
15.3%
Application Logic
15.6%
Other Operations
0.0%
Total Operations
4
Slowest Operation
31.0 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 16.3ms 32.6ms 48.9ms 65.2ms

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 10 ms 100.0%
users/index 10 ms 98.1%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 14 ms 137.4%
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... 31 ms 304.2%