Request Details

Route
/users POST
Timestamp
Sep 12, 2026 10:42 AM
Duration
39.42 ms
Status
204
Response Size
17 KB
Error
No

Performance Breakdown

Database
44.6% (2 queries)
View Rendering
55.4%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
36.0 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 16.3ms 32.5ms 48.8ms 65.0ms

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 36 ms 91.3%
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... 6 ms 15.2%
SELECT COUNT(*) FROM comments WHERE post_id = ? 23 ms 58.4%