Request Details

Route
/api_simple GET
Timestamp
Sep 18, 2026 9:23 PM
Duration
36.32 ms
Status
204
Response Size
223 Bytes
Error
No

Performance Breakdown

Database
65.7% (6 queries)
View Rendering
0.0%
Application Logic
34.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
36.32 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
Database
0.0ms 52.9ms 105.8ms 158.7ms 211.6ms

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 36 ms 100.0%
SELECT * FROM users WHERE id = ? 16 ms 44.1%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 26 ms 71.6%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 77.1%
DELETE FROM posts WHERE id = ? 16 ms 44.1%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 26 ms 71.6%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 27 ms 74.3%
home#api_simple 36 ms 100.0%