Request Details

Route
/api_complex GET
Timestamp
Sep 11, 2026 5:20 PM
Duration
286.28 ms
Status
201
Response Size
45 KB
Error
No

Performance Breakdown

Database
4.5% (3 queries)
View Rendering
2.6%
Application Logic
92.9%
Other Operations
0.0%
Total Operations
10
Slowest Operation
286.28 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 308.0ms 616.1ms 924.1ms 1232.1ms

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/index 9 ms 3.1%
home#api_complex 286 ms 100.0%
SELECT name FROM users 11 ms 3.8%
home/index 6 ms 2.1%
SELECT * FROM users WHERE id = ? 18 ms 6.3%
home/index 17 ms 5.9%
home#api_complex 286 ms 100.0%
home#api_complex 286 ms 100.0%
home#api_complex 286 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 26 ms 9.1%