Request Details

Route
/comments POST
Timestamp
Sep 15, 2026 3:36 AM
Duration
32.33 ms
Status
204
Response Size
11 KB
Error
No

Performance Breakdown

Database
23.7% (2 queries)
View Rendering
76.3%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
4
Slowest Operation
37.0 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
View
Database
0.0ms 23.3ms 46.5ms 69.8ms 93.0ms

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 users WHERE id = ? 2 ms 6.2%
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... 20 ms 61.9%
home/index 34 ms 105.2%
posts/show 37 ms 114.4%