Request Details

Route
/sign_in GET|POST
Timestamp
Sep 23, 2026 1:17 AM
Duration
43.04 ms
Status
200
Response Size
3 KB
Error
No

Performance Breakdown

Database
10.3% (1 query)
View Rendering
60.3%
Application Logic
29.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
43.04 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 36.5ms 73.0ms 109.5ms 146.0ms

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
sessions#new 43 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 15 ms 34.9%
home/index 40 ms 92.9%
layouts/application 30 ms 69.7%
home/index 18 ms 41.8%