Request Details

Route
/sign_in GET|POST
Timestamp
Sep 09, 2026 7:55 AM
Duration
28.31 ms
Status
204
Response Size
6.4 KB
Error
No

Performance Breakdown

Database
21.6% (1 query)
View Rendering
31.5%
Application Logic
46.9%
Other Operations
0.0%
Total Operations
3
Slowest Operation
28.31 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 15.1ms 30.2ms 45.2ms 60.3ms

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 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... 13 ms 45.9%
sessions#new 28 ms 100.0%
posts/show 19 ms 67.1%