Request Details

Route
/error_prone GET
Timestamp
Sep 23, 2026 7:07 AM
Duration
57.55 ms
Status
204
Response Size
5.6 KB
Error
No

Performance Breakdown

Database
3.0% (2 queries)
View Rendering
28.1%
Application Logic
68.9%
Other Operations
0.0%
Total Operations
14
Slowest Operation
57.55 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 125.3ms 250.6ms 376.0ms 501.3ms

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
home#errors 58 ms 100.0%
home#errors 58 ms 100.0%
users/index 24 ms 41.7%
users/index 19 ms 33.0%
home#errors 58 ms 100.0%
users/index 19 ms 33.0%
users/index 18 ms 31.3%
home#errors 58 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 5 ms 8.7%
home#errors 58 ms 100.0%
home#errors 58 ms 100.0%
SELECT name FROM users 10 ms 17.4%
users/index 28 ms 48.7%
home/index 33 ms 57.3%