Request Details

Route
/sign_in GET|POST
Timestamp
Sep 10, 2026 3:12 AM
Duration
217.96 ms
Status
201
Response Size
6 KB
Error
No

Performance Breakdown

Database
5.8% (1 query)
View Rendering
6.8%
Application Logic
87.4%
Other Operations
0.0%
Total Operations
4
Slowest Operation
217.96 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 124.7ms 249.5ms 374.2ms 498.9ms

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 218 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 29 ms 13.3%
home/index 34 ms 15.6%
sessions#new 218 ms 100.0%