Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 7:35 AM
Duration
46.77 ms
Status
201
Response Size
10 KB
Error
No

Performance Breakdown

Database
19.8% (2 queries)
View Rendering
32.6%
Application Logic
47.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
46.77 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 49.1ms 98.3ms 147.4ms 196.5ms

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 47 ms 100.0%
home/index 18 ms 38.5%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 23 ms 49.2%
home/index 24 ms 51.3%
users/index 22 ms 47.0%
sessions#new 47 ms 100.0%
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 > ? 16 ms 34.2%