Request Details

Route
/sign_in GET|POST
Timestamp
Sep 12, 2026 6:08 AM
Duration
83.19 ms
Status
204
Response Size
6.4 KB
Error
No

Performance Breakdown

Database
0.5% (1 query)
View Rendering
13.9%
Application Logic
85.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
83.19 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 97.2ms 194.4ms 291.6ms 388.8ms

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 name FROM users 2 ms 2.4%
layouts/application 9 ms 10.8%
layouts/application 36 ms 43.3%
sessions#new 83 ms 100.0%
sessions#new 83 ms 100.0%
home/index 9 ms 10.8%
sessions#new 83 ms 100.0%
sessions#new 83 ms 100.0%