Request Details

Route
/posts/:id GET
Timestamp
Sep 11, 2026 9:03 AM
Duration
63.9 ms
Status
200
Response Size
19 KB
Error
No

Performance Breakdown

Database
19.5% (2 queries)
View Rendering
14.9%
Application Logic
65.6%
Other Operations
0.0%
Total Operations
5
Slowest Operation
63.9 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 48.7ms 97.4ms 146.1ms 194.8ms

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 29 ms 45.4%
posts#show 64 ms 100.0%
posts#show 64 ms 100.0%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 15 ms 23.5%
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... 23 ms 36.0%