Request Details

Route
/error_prone GET
Timestamp
Sep 19, 2026 11:23 AM
Duration
88.94 ms
Status
200
Response Size
5.3 KB
Error
No

Performance Breakdown

Database
11.9% (4 queries)
View Rendering
11.4%
Application Logic
76.7%
Other Operations
0.0%
Total Operations
13
Slowest Operation
88.94 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 115.9ms 231.9ms 347.8ms 463.7ms

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
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 17 ms 19.1%
layouts/application 5 ms 5.6%
home#errors 89 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 31.5%
home/index 14 ms 15.7%
layouts/application 16 ms 18.0%
home#errors 89 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... 8 ms 9.0%
posts/show 9 ms 10.1%
home#errors 89 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... 2 ms 2.2%
home/index 9 ms 10.1%
home#errors 89 ms 100.0%