Request Details

Route
/error_prone GET
Timestamp
Sep 23, 2026 5:46 AM
Duration
73.57 ms
Status
204
Response Size
2.5 KB
Error
No

Performance Breakdown

Database
16.2% (4 queries)
View Rendering
16.8%
Application Logic
67.0%
Other Operations
0.0%
Total Operations
11
Slowest Operation
73.57 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 109.8ms 219.6ms 329.5ms 439.3ms

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
layouts/application 39 ms 53.0%
SELECT name FROM users 8 ms 10.9%
users/index 27 ms 36.7%
home#errors 74 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 32 ms 43.5%
home#errors 74 ms 100.0%
home#errors 74 ms 100.0%
posts/show 8 ms 10.9%
SELECT name FROM users 30 ms 40.8%
home#errors 74 ms 100.0%
SELECT name FROM users 1 ms 1.4%