Request Details

Route
/sign_in GET|POST
Timestamp
Sep 16, 2026 9:25 PM
Duration
89.23 ms
Status
200
Response Size
9.5 KB
Error
No

Performance Breakdown

Database
6.2% (2 queries)
View Rendering
5.0%
Application Logic
88.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
89.23 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 100.5ms 201.0ms 301.4ms 401.9ms

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 89 ms 100.0%
sessions#new 89 ms 100.0%
users/index 20 ms 22.4%
sessions#new 89 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 > ? 10 ms 11.2%
sessions#new 89 ms 100.0%
SELECT name FROM users 15 ms 16.8%