Request Details

Route
/api_complex GET
Timestamp
Sep 12, 2026 12:38 AM
Duration
81.44 ms
Status
201
Response Size
28 KB
Error
No

Performance Breakdown

Database
5.6% (3 queries)
View Rendering
4.0%
Application Logic
90.5%
Other Operations
0.0%
Total Operations
11
Slowest Operation
81.44 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 157.5ms 315.0ms 472.6ms 630.1ms

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 25 ms 30.7%
home#api_complex 81 ms 100.0%
home#api_complex 81 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 4 ms 4.9%
home#api_complex 81 ms 100.0%
home#api_complex 81 ms 100.0%
home#api_complex 81 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 6 ms 7.4%
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... 25 ms 30.7%
home#api_complex 81 ms 100.0%
home#api_complex 81 ms 100.0%