Request Details

Route
/error_prone GET
Timestamp
Sep 23, 2026 5:27 AM
Duration
46.98 ms
Status
200
Response Size
4.1 KB
Error
No

Performance Breakdown

Database
25.5% (2 queries)
View Rendering
48.9%
Application Logic
25.5%
Other Operations
0.0%
Total Operations
6
Slowest Operation
46.98 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 46.0ms 92.0ms 138.0ms 184.0ms

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 21 ms 44.7%
layouts/application 39 ms 83.0%
home/index 30 ms 63.9%
home#errors 47 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 31 ms 66.0%
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... 16 ms 34.1%