Request Details

Route
/posts/:id GET
Timestamp
Sep 22, 2026 4:18 PM
Duration
42.98 ms
Status
201
Response Size
19 KB
Error
No

Performance Breakdown

Database
22.5% (2 queries)
View Rendering
57.8%
Application Logic
19.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
42.98 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 54.5ms 109.0ms 163.5ms 218.0ms

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 38 ms 88.4%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 14 ms 32.6%
layouts/application 29 ms 67.5%
layouts/application 35 ms 81.4%
home/index 18 ms 41.9%
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... 35 ms 81.4%
layouts/application 6 ms 14.0%
posts#show 43 ms 100.0%