Request Details

Route
/api_complex GET
Timestamp
Sep 18, 2026 8:00 AM
Duration
200.33 ms
Status
204
Response Size
74 KB
Error
No

Performance Breakdown

Database
1.5% (3 queries)
View Rendering
1.4%
Application Logic
97.2%
Other Operations
0.0%
Total Operations
12
Slowest Operation
200.33 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 360.8ms 721.6ms 1082.5ms 1443.3ms

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_complex 200 ms 100.0%
SELECT name FROM users 7 ms 3.5%
home#api_complex 200 ms 100.0%
SELECT * FROM users WHERE id = ? 6 ms 3.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 8 ms 4.0%
home#api_complex 200 ms 100.0%
home#api_complex 200 ms 100.0%
home#api_complex 200 ms 100.0%
home#api_complex 200 ms 100.0%
home#api_complex 200 ms 100.0%
posts/show 7 ms 3.5%
users/index 13 ms 6.5%