Request Details

Route
/posts POST
Timestamp
Sep 10, 2026 3:25 PM
Duration
13.3 ms
Status
200
Response Size
19 KB
Error
No

Performance Breakdown

Database
34.3% (3 queries)
View Rendering
54.8%
Application Logic
10.9%
Other Operations
0.0%
Total Operations
6
Slowest Operation
39.0 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 30.6ms 61.2ms 91.7ms 122.3ms

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 * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 12 ms 90.2%
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... 25 ms 188.0%
users/index 28 ms 210.5%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 5 ms 37.6%
users/index 39 ms 293.2%
posts#create 13 ms 100.0%