Request Details

Route
/error_prone GET
Timestamp
Sep 10, 2026 1:41 PM
Duration
23.92 ms
Status
201
Response Size
6.6 KB
Error
No

Performance Breakdown

Database
18.2% (3 queries)
View Rendering
17.2%
Application Logic
64.6%
Other Operations
0.0%
Total Operations
14
Slowest Operation
28.0 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 74.1ms 148.2ms 222.3ms 296.3ms

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#errors 24 ms 100.0%
home#errors 24 ms 100.0%
home/index 11 ms 46.0%
home#errors 24 ms 100.0%
home/index 28 ms 117.1%
home#errors 24 ms 100.0%
users/index 12 ms 50.2%
home#errors 24 ms 100.0%
SELECT COUNT(*) FROM comments WHERE post_id = ? 7 ms 29.3%
home#errors 24 ms 100.0%
home#errors 24 ms 100.0%
home#errors 24 ms 100.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 28 ms 117.1%
SELECT COUNT(*) FROM comments WHERE post_id = ? 19 ms 79.4%