Request Details

Route
/posts POST
Timestamp
Sep 16, 2026 1:29 PM
Duration
28.85 ms
Status
204
Response Size
18 KB
Error
No

Performance Breakdown

Database
35.7% (3 queries)
View Rendering
47.4%
Application Logic
16.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
38.0 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 42.7ms 85.4ms 128.1ms 170.8ms

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
layouts/application 12 ms 41.6%
home/index 31 ms 107.5%
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... 35 ms 121.3%
posts#create 29 ms 100.0%
posts/show 38 ms 131.7%
SELECT name FROM users 4 ms 13.9%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 22 ms 76.3%