Request Details

Route
/error_prone GET
Timestamp
Sep 10, 2026 9:00 AM
Duration
129.6 ms
Status
200
Response Size
3 KB
Error
No

Performance Breakdown

Database
6.0% (2 queries)
View Rendering
3.0%
Application Logic
91.0%
Other Operations
0.0%
Total Operations
7
Slowest Operation
129.6 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 142.4ms 284.7ms 427.1ms 569.4ms

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#errors 130 ms 100.0%
SELECT name FROM users 3 ms 2.3%
users/index 17 ms 13.1%
home#errors 130 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 31 ms 23.9%
home#errors 130 ms 100.0%
home#errors 130 ms 100.0%