Request Details

Route
/sign_in GET|POST
Timestamp
Sep 17, 2026 4:41 AM
Duration
79.01 ms
Status
200
Response Size
13 KB
Error
No

Performance Breakdown

Database
2.8% (1 query)
View Rendering
42.0%
Application Logic
55.2%
Other Operations
0.0%
Total Operations
5
Slowest Operation
79.01 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 35.8ms 71.5ms 107.3ms 143.0ms

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 11 ms 13.9%
layouts/application 28 ms 35.4%
posts/show 21 ms 26.6%
sessions#new 79 ms 100.0%
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... 4 ms 5.1%