Request Details

Route
/error_prone GET
Timestamp
Sep 12, 2026 4:17 AM
Duration
38.24 ms
Status
201
Response Size
1.7 KB
Error
No

Performance Breakdown

Database
9.5% (2 queries)
View Rendering
0.0%
Application Logic
90.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
38.24 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
Database
0.0ms 31.7ms 63.4ms 95.0ms 126.7ms

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 38 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... 9 ms 23.5%
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... 3 ms 7.8%
home#errors 38 ms 100.0%
home#errors 38 ms 100.0%