Request Details

Route
/error_prone GET
Timestamp
Sep 19, 2026 11:39 PM
Duration
38.02 ms
Status
500
Response Size
1.6 KB
Error
Yes

Performance Breakdown

Database
23.2% (4 queries)
View Rendering
25.6%
Application Logic
51.2%
Other Operations
0.0%
Total Operations
13
Slowest Operation
38.02 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 92.8ms 185.6ms 278.3ms 371.1ms

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 37 ms 97.3%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 25 ms 65.8%
posts/show 23 ms 60.5%
home#errors 38 ms 100.0%
home#errors 38 ms 100.0%
home#errors 38 ms 100.0%
layouts/application 16 ms 42.1%
SELECT * FROM posts WHERE created_at > ? 22 ms 57.9%
layouts/application 19 ms 50.0%
home#errors 38 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 55.2%
home#errors 38 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 18 ms 47.3%