Request Details

Route
/error_prone GET
Timestamp
Sep 22, 2026 10:29 PM
Duration
60.47 ms
Status
204
Response Size
3.8 KB
Error
No

Performance Breakdown

Database
9.5% (1 query)
View Rendering
4.3%
Application Logic
86.2%
Other Operations
0.0%
Total Operations
5
Slowest Operation
60.47 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 52.6ms 105.2ms 157.8ms 210.4ms

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/index 9 ms 14.9%
home#errors 60 ms 100.0%
home#errors 60 ms 100.0%
home#errors 60 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 20 ms 33.1%