Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 2:35 AM
Duration
10.95 ms
Status
200
Response Size
247 Bytes
Error
No

Performance Breakdown

Database
42.6% (2 queries)
View Rendering
41.9%
Application Logic
15.5%
Other Operations
0.0%
Total Operations
6
Slowest Operation
34.0 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 35.2ms 70.5ms 105.7ms 140.9ms

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
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... 34 ms 310.5%
users/index 34 ms 310.5%
home#api_simple 11 ms 100.0%
home#api_simple 11 ms 100.0%
posts/show 25 ms 228.3%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 26 ms 237.4%