Request Details

Route
/posts/:id PUT
Timestamp
Sep 10, 2026 10:27 AM
Duration
58.13 ms
Status
200
Response Size
9 KB
Error
No

Performance Breakdown

Database
14.1% (2 queries)
View Rendering
37.7%
Application Logic
48.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
58.13 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 60.3ms 120.6ms 180.9ms 241.3ms

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 22 ms 37.8%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 3 ms 5.2%
layouts/application 7 ms 12.0%
layouts/application 32 ms 55.0%
posts#update 58 ms 100.0%
home/index 30 ms 51.6%
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... 31 ms 53.3%
posts#update 58 ms 100.0%