Request Details

Route
/sign_in GET|POST
Timestamp
Sep 09, 2026 10:22 PM
Duration
65.42 ms
Status
204
Response Size
2.8 KB
Error
No

Performance Breakdown

Database
13.2% (1 query)
View Rendering
36.1%
Application Logic
50.7%
Other Operations
0.0%
Total Operations
7
Slowest Operation
65.42 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 64.5ms 128.9ms 193.4ms 257.8ms

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
layouts/application 30 ms 45.9%
layouts/application 28 ms 42.8%
sessions#new 65 ms 100.0%
posts/show 19 ms 29.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 34 ms 52.0%
users/index 16 ms 24.5%
sessions#new 65 ms 100.0%