Request Details

Route
/posts/:id GET
Timestamp
Sep 22, 2026 10:00 PM
Duration
11.87 ms
Status
200
Response Size
6.6 KB
Error
No

Performance Breakdown

Database
47.0% (2 queries)
View Rendering
28.2%
Application Logic
24.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
30.0 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 23.9ms 47.9ms 71.8ms 95.7ms

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 12 ms 100.0%
users/index 21 ms 176.9%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 15 ms 126.4%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 30 ms 252.7%
posts#show 12 ms 100.0%
users/index 6 ms 50.5%