Request Details

Route
/sign_in GET|POST
Timestamp
Sep 23, 2026 12:06 AM
Duration
81.11 ms
Status
200
Response Size
5.1 KB
Error
No

Performance Breakdown

Database
34.0% (2 queries)
View Rendering
13.1%
Application Logic
53.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
81.11 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 38.3ms 76.6ms 114.8ms 153.1ms

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
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 34.5%
layouts/application 11 ms 13.6%
sessions#new 81 ms 100.0%
users/index 9 ms 11.1%
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... 24 ms 29.6%