Request Details

Route
/error_prone GET
Timestamp
Sep 22, 2026 10:55 PM
Duration
79.95 ms
Status
201
Response Size
5.9 KB
Error
No

Performance Breakdown

Database
14.6% (2 queries)
View Rendering
36.6%
Application Logic
48.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
79.95 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 41.0ms 82.0ms 123.0ms 164.0ms

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 9 ms 11.3%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 10 ms 12.5%
users/index 27 ms 33.8%
home#errors 80 ms 100.0%
users/index 24 ms 30.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 14 ms 17.5%