Request Details

Route
/api_simple GET
Timestamp
Sep 09, 2026 6:24 PM
Duration
25.15 ms
Status
201
Response Size
238 Bytes
Error
No

Performance Breakdown

Database
29.6% (3 queries)
View Rendering
34.0%
Application Logic
36.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
37.0 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 34.6ms 69.2ms 103.7ms 138.3ms

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 25 ms 100.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 12 ms 47.7%
SELECT * FROM posts WHERE created_at > ? 16 ms 63.6%
home#api_simple 25 ms 100.0%
home/index 37 ms 147.1%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 13 ms 51.7%
users/index 10 ms 39.8%