Request Details

Route
/error_prone GET
Timestamp
Sep 21, 2026 4:19 PM
Duration
20.1 ms
Status
204
Response Size
1.6 KB
Error
No

Performance Breakdown

Database
16.5% (1 query)
View Rendering
40.2%
Application Logic
43.3%
Other Operations
0.0%
Total Operations
6
Slowest Operation
32.0 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 34.8ms 69.6ms 104.5ms 139.3ms

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 20 ms 100.0%
home#errors 20 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 23 ms 114.4%
home/index 24 ms 119.4%
home#errors 20 ms 100.0%
posts/show 32 ms 159.2%