Request Details

Route
/posts/:id PUT
Timestamp
Sep 23, 2026 8:52 AM
Duration
36.53 ms
Status
201
Response Size
4.3 KB
Error
No

Performance Breakdown

Database
35.8% (2 queries)
View Rendering
32.3%
Application Logic
31.9%
Other Operations
0.0%
Total Operations
5
Slowest Operation
36.53 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 28.6ms 57.3ms 85.9ms 114.5ms

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 31 ms 84.9%
layouts/application 6 ms 16.4%
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... 11 ms 30.1%
posts#update 37 ms 100.0%
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... 30 ms 82.1%