Request Details

Route
/api_complex GET
Timestamp
Sep 22, 2026 1:57 AM
Duration
235.89 ms
Status
204
Response Size
35 KB
Error
No

Performance Breakdown

Database
4.7% (4 queries)
View Rendering
1.1%
Application Logic
94.2%
Other Operations
0.0%
Total Operations
11
Slowest Operation
235.89 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 375.6ms 751.2ms 1126.7ms 1502.3ms

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
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 34 ms 14.4%
home#api_complex 236 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 15 ms 6.4%
home#api_complex 236 ms 100.0%
users/index 17 ms 7.2%
home#api_complex 236 ms 100.0%
home#api_complex 236 ms 100.0%
home#api_complex 236 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 0.8%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 19 ms 8.1%
home#api_complex 236 ms 100.0%