Request Details

Route
/comments POST
Timestamp
Sep 10, 2026 9:20 PM
Duration
67.7 ms
Status
204
Response Size
6.9 KB
Error
No

Performance Breakdown

Database
12.5% (1 query)
View Rendering
87.5%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
3
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
View
Database
0.0ms 14.0ms 28.0ms 42.0ms 56.0ms

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
posts/show 28 ms 41.4%
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... 7 ms 10.3%
home/index 21 ms 31.0%