Request Details

Route
/posts/:id PUT
Timestamp
Sep 12, 2026 9:18 PM
Duration
29.33 ms
Status
204
Response Size
9.7 KB
Error
No

Performance Breakdown

Database
29.7% (2 queries)
View Rendering
8.1%
Application Logic
62.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
35.0 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 58.9ms 117.8ms 176.7ms 235.7ms

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
posts#update 29 ms 100.0%
posts#update 29 ms 100.0%
posts#update 29 ms 100.0%
users/index 19 ms 64.8%
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... 35 ms 119.3%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 35 ms 119.3%
posts#update 29 ms 100.0%
posts#update 29 ms 100.0%