Request Details

Route
/api_simple GET
Timestamp
Sep 15, 2026 8:58 PM
Duration
23.22 ms
Status
201
Response Size
458 Bytes
Error
No

Performance Breakdown

Database
14.6% (2 queries)
View Rendering
54.5%
Application Logic
30.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
38.0 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 37.6ms 75.2ms 112.8ms 150.4ms

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... 10 ms 43.1%
home#api_simple 23 ms 100.0%
home/index 38 ms 163.6%
home/index 37 ms 159.3%
users/index 7 ms 30.1%
home#api_simple 23 ms 100.0%
SELECT id, name FROM users WHERE email = ? 12 ms 51.7%