Request Details

Route
/api_simple GET
Timestamp
Sep 18, 2026 3:38 AM
Duration
17.97 ms
Status
204
Response Size
1.5 KB
Error
No

Performance Breakdown

Database
36.0% (2 queries)
View Rendering
32.5%
Application Logic
31.5%
Other Operations
0.0%
Total Operations
6
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 28.5ms 57.0ms 85.5ms 113.9ms

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 5 ms 27.8%
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... 29 ms 161.4%
users/index 32 ms 178.1%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 12 ms 66.8%
home#api_simple 18 ms 100.0%
home#api_simple 18 ms 100.0%