Request Details

Route
/comments POST
Timestamp
Sep 09, 2026 10:11 AM
Duration
70.09 ms
Status
200
Response Size
6.1 KB
Error
No

Performance Breakdown

Database
4.2% (1 query)
View Rendering
11.4%
Application Logic
84.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
70.09 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 83.1ms 166.2ms 249.3ms 332.4ms

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 70 ms 100.0%
comments#create 70 ms 100.0%
comments#create 70 ms 100.0%
comments#create 70 ms 100.0%
posts/show 18 ms 25.7%
posts/show 20 ms 28.5%
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... 14 ms 20.0%