Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 8:29 PM
Duration
41.49 ms
Status
200
Response Size
5.9 KB
Error
No

Performance Breakdown

Database
36.0% (2 queries)
View Rendering
29.3%
Application Logic
34.7%
Other Operations
0.0%
Total Operations
4
Slowest Operation
41.49 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 29.9ms 59.7ms 89.6ms 119.5ms

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 41 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... 11 ms 26.5%
SELECT * FROM posts WHERE created_at > ? 32 ms 77.1%
home/index 35 ms 84.4%