Request Details

Route
/sign_in GET|POST
Timestamp
Sep 23, 2026 4:46 AM
Duration
87.1 ms
Status
200
Response Size
6.6 KB
Error
No

Performance Breakdown

Database
7.6% (2 queries)
View Rendering
13.3%
Application Logic
79.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
87.1 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 82.6ms 165.2ms 247.7ms 330.3ms

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
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 12 ms 13.8%
sessions#new 87 ms 100.0%
layouts/application 16 ms 18.4%
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 > ? 13 ms 14.9%
layouts/application 28 ms 32.1%
sessions#new 87 ms 100.0%
sessions#new 87 ms 100.0%