Request Details

Route
/error_prone GET
Timestamp
Sep 09, 2026 12:43 PM
Duration
29.36 ms
Status
204
Response Size
2.2 KB
Error
No

Performance Breakdown

Database
36.2% (2 queries)
View Rendering
44.2%
Application Logic
19.7%
Other Operations
0.0%
Total Operations
6
Slowest Operation
35.0 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 37.3ms 74.7ms 112.0ms 149.4ms

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
layouts/application 16 ms 54.5%
users/index 35 ms 119.2%
users/index 15 ms 51.1%
home#errors 29 ms 100.0%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 28 ms 95.4%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 26 ms 88.6%