Request Details

Route
/posts/:id PUT
Timestamp
Sep 10, 2026 5:37 AM
Duration
44.23 ms
Status
204
Response Size
3.4 KB
Error
No

Performance Breakdown

Database
46.1% (3 queries)
View Rendering
23.4%
Application Logic
30.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
44.23 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 36.3ms 72.6ms 108.9ms 145.2ms

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 72.3%
SELECT * FROM users WHERE id = ? 33 ms 74.6%
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... 2 ms 4.5%
posts#update 44 ms 100.0%
layouts/application 34 ms 76.9%