Request Details

Route
/posts POST
Timestamp
Sep 22, 2026 9:01 PM
Duration
39.56 ms
Status
201
Response Size
12 KB
Error
No

Performance Breakdown

Database
49.2% (3 queries)
View Rendering
25.5%
Application Logic
25.3%
Other Operations
0.0%
Total Operations
6
Slowest Operation
39.56 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 39.1ms 78.3ms 117.4ms 156.6ms

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
home/index 12 ms 30.3%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 29 ms 73.3%
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 24 ms 60.7%
home/index 28 ms 70.8%
SELECT name FROM users 24 ms 60.7%
posts#create 40 ms 100.0%