Request Details

Route
/sign_in GET|POST
Timestamp
Sep 10, 2026 9:29 PM
Duration
108.37 ms
Status
200
Response Size
6.4 KB
Error
No

Performance Breakdown

Database
12.2% (3 queries)
View Rendering
10.0%
Application Logic
77.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
108.37 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 69.7ms 139.4ms 209.1ms 278.7ms

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 * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 9 ms 8.3%
posts/show 28 ms 25.8%
sessions#new 108 ms 100.0%
SELECT name FROM users 6 ms 5.5%
SELECT * FROM users WHERE id = ? 19 ms 17.5%
sessions#new 108 ms 100.0%