Request Details

Route
/posts/:id GET
Timestamp
Sep 21, 2026 4:21 PM
Duration
47.46 ms
Status
200
Response Size
15 KB
Error
No

Performance Breakdown

Database
1.0% (1 query)
View Rendering
7.7%
Application Logic
91.3%
Other Operations
0.0%
Total Operations
4
Slowest Operation
47.46 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 26.0ms 52.0ms 77.9ms 103.9ms

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 8 ms 16.9%
posts#show 47 ms 100.0%
posts#show 47 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 1 ms 2.1%