Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 1:19 PM
Duration
45.28 ms
Status
204
Response Size
8.4 KB
Error
No

Performance Breakdown

Database
7.3% (1 query)
View Rendering
48.9%
Application Logic
43.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
45.28 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 51.6ms 103.3ms 154.9ms 206.6ms

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 40 ms 88.3%
SELECT name FROM users 15 ms 33.1%
sessions#new 45 ms 100.0%
layouts/application 36 ms 79.5%
sessions#new 45 ms 100.0%
layouts/application 25 ms 55.2%