Request Details

Route
/posts POST
Timestamp
Sep 20, 2026 1:16 PM
Duration
34.41 ms
Status
201
Response Size
8.8 KB
Error
No

Performance Breakdown

Database
43.0% (2 queries)
View Rendering
0.0%
Application Logic
57.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
34.41 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
Database
0.0ms 15.1ms 30.2ms 45.3ms 60.4ms

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
SELECT name FROM users 21 ms 61.0%
posts#create 34 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... 5 ms 14.5%