Request Details

Route
/posts/:id GET
Timestamp
Sep 09, 2026 10:58 AM
Duration
54.95 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
16.3% (3 queries)
View Rendering
34.0%
Application Logic
49.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
54.95 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 55.2ms 110.4ms 165.7ms 220.9ms

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
users/index 9 ms 16.4%
posts#show 55 ms 100.0%
posts#show 55 ms 100.0%
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... 5 ms 9.1%
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... 20 ms 36.4%
layouts/application 28 ms 51.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 11 ms 20.0%
layouts/application 38 ms 69.2%