Request Details

Route
/error_prone GET
Timestamp
Sep 23, 2026 3:09 AM
Duration
63.97 ms
Status
201
Response Size
6.1 KB
Error
No

Performance Breakdown

Database
8.0% (2 queries)
View Rendering
15.2%
Application Logic
76.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
63.97 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 62.5ms 125.0ms 187.4ms 249.9ms

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 13 ms 20.3%
home#errors 64 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 5 ms 7.8%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 15 ms 23.4%
home/index 25 ms 39.1%
home#errors 64 ms 100.0%
home#errors 64 ms 100.0%