Request Details

Route
/api_complex GET
Timestamp
Sep 23, 2026 7:33 AM
Duration
180.9 ms
Status
204
Response Size
22 KB
Error
No

Performance Breakdown

Database
0.1% (1 query)
View Rendering
7.6%
Application Logic
92.2%
Other Operations
0.0%
Total Operations
12
Slowest Operation
180.9 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 343.3ms 686.6ms 1030.0ms 1373.3ms

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
users/index 32 ms 17.7%
users/index 21 ms 11.6%
home#api_complex 181 ms 100.0%
home#api_complex 181 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 1.1%
home/index 13 ms 7.2%
home#api_complex 181 ms 100.0%
home#api_complex 181 ms 100.0%
home/index 39 ms 21.6%
home#api_complex 181 ms 100.0%
home#api_complex 181 ms 100.0%
home#api_complex 181 ms 100.0%