Request Details

Route
/api_simple GET
Timestamp
Sep 15, 2026 8:06 AM
Duration
13.37 ms
Status
204
Response Size
851 Bytes
Error
No

Performance Breakdown

Database
42.0% (3 queries)
View Rendering
9.1%
Application Logic
48.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
14.0 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 13.7ms 27.4ms 41.1ms 54.7ms

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 13 ms 100.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 1 ms 7.5%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 8 ms 59.8%
home#api_simple 13 ms 100.0%
layouts/application 5 ms 37.4%
DELETE FROM comments WHERE created_at < ? 14 ms 104.7%