Request Details

Route
/comments POST
Timestamp
Sep 23, 2026 8:15 AM
Duration
26.41 ms
Status
200
Response Size
11 KB
Error
No

Performance Breakdown

Database
22.4% (1 query)
View Rendering
31.9%
Application Logic
45.6%
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
Action
View
Database
0.0ms 29.0ms 57.9ms 86.9ms 115.8ms

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
comments#create 26 ms 100.0%
comments#create 26 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 26 ms 98.4%
posts/show 37 ms 140.1%