Request Details

Route
/error_prone GET
Timestamp
Sep 23, 2026 12:47 AM
Duration
58.03 ms
Status
200
Response Size
916 Bytes
Error
No

Performance Breakdown

Database
16.3% (3 queries)
View Rendering
7.8%
Application Logic
75.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
58.03 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 38.3ms 76.5ms 114.8ms 153.1ms

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
SELECT name FROM users 16 ms 27.6%
users/index 12 ms 20.7%
home#errors 58 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 3 ms 5.2%
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... 6 ms 10.3%
home#errors 58 ms 100.0%