Request Details

Route
/posts/:id PUT
Timestamp
Sep 23, 2026 4:24 AM
Duration
33.84 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
27.8% (2 queries)
View Rendering
0.0%
Application Logic
72.2%
Other Operations
0.0%
Total Operations
5
Slowest Operation
33.84 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
Database
0.0ms 35.1ms 70.3ms 105.4ms 140.5ms

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
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... 32 ms 94.6%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 7 ms 20.7%
posts#update 34 ms 100.0%
posts#update 34 ms 100.0%
posts#update 34 ms 100.0%