Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 6:01 PM
Duration
53.55 ms
Status
204
Response Size
12 KB
Error
No

Performance Breakdown

Database
20.8% (2 queries)
View Rendering
25.2%
Application Logic
54.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
53.55 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 74.4ms 148.8ms 223.2ms 297.6ms

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
sessions#new 54 ms 100.0%
layouts/application 25 ms 46.7%
sessions#new 54 ms 100.0%
sessions#new 54 ms 100.0%
home/index 20 ms 37.4%
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 > ? 35 ms 65.4%
users/index 30 ms 56.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 50.4%