Request Details

Route
/posts/:id PUT
Timestamp
Sep 09, 2026 2:52 PM
Duration
57.79 ms
Status
200
Response Size
13 KB
Error
No

Performance Breakdown

Database
11.5% (2 queries)
View Rendering
61.8%
Application Logic
26.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
57.79 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 54.2ms 108.4ms 162.6ms 216.8ms

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 36 ms 62.3%
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... 22 ms 38.1%
users/index 36 ms 62.3%
posts/show 30 ms 51.9%
posts/show 9 ms 15.6%
users/index 23 ms 39.8%
posts#update 58 ms 100.0%
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... 3 ms 5.2%