Request Details

Route
/sign_in GET|POST
Timestamp
Sep 09, 2026 6:30 AM
Duration
62.38 ms
Status
200
Response Size
4.6 KB
Error
No

Performance Breakdown

Database
21.9% (1 query)
View Rendering
0.0%
Application Logic
78.1%
Other Operations
0.0%
Total Operations
3
Slowest Operation
62.38 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
Database
0.0ms 39.9ms 79.9ms 119.8ms 159.8ms

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
sessions#new 62 ms 100.0%
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... 35 ms 56.1%
sessions#new 62 ms 100.0%