Request Details

Route
/sign_in GET|POST
Timestamp
Sep 09, 2026 2:16 PM
Duration
89.41 ms
Status
201
Response Size
3.4 KB
Error
No

Performance Breakdown

Database
9.2% (1 query)
View Rendering
8.9%
Application Logic
82.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
89.41 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 81.8ms 163.6ms 245.4ms 327.2ms

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... 30 ms 33.6%
sessions#new 89 ms 100.0%
home/index 29 ms 32.4%
sessions#new 89 ms 100.0%
sessions#new 89 ms 100.0%