Request Details

Route
/error_prone GET
Timestamp
Sep 10, 2026 4:23 AM
Duration
62.06 ms
Status
200
Response Size
3.7 KB
Error
No

Performance Breakdown

Database
18.8% (8 queries)
View Rendering
8.7%
Application Logic
72.5%
Other Operations
0.0%
Total Operations
20
Slowest Operation
62.06 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 192.6ms 385.3ms 577.9ms 770.5ms

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 31 ms 50.0%
home#errors 62 ms 100.0%
SELECT name FROM users 13 ms 20.9%
home#errors 62 ms 100.0%
layouts/application 7 ms 11.3%
home#errors 62 ms 100.0%
SELECT id, name FROM users WHERE email = ? 7 ms 11.3%
home#errors 62 ms 100.0%
home#errors 62 ms 100.0%
home#errors 62 ms 100.0%
SELECT name FROM users 25 ms 40.3%
home#errors 62 ms 100.0%
SELECT * FROM users WHERE id = ? 4 ms 6.4%
home/index 29 ms 46.7%
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... 32 ms 51.6%
home#errors 62 ms 100.0%
SELECT * FROM users WHERE id = ? 34 ms 54.8%
SELECT * FROM users WHERE id = ? 15 ms 24.2%
home#errors 62 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 15 ms 24.2%