Request Details

Route
/api_simple GET
Timestamp
Sep 16, 2026 2:35 AM
Duration
16.82 ms
Status
204
Response Size
1 KB
Error
No

Performance Breakdown

Database
52.4% (4 queries)
View Rendering
47.6%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
35.0 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
View
Database
0.0ms 31.0ms 62.0ms 93.0ms 124.0ms

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 name FROM users 13 ms 77.3%
DELETE FROM posts WHERE id = ? 16 ms 95.1%
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... 28 ms 166.5%
layouts/application 24 ms 142.7%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 8 ms 47.6%
home/index 35 ms 208.1%