Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 6:28 PM
Duration
36.32 ms
Status
200
Response Size
5.7 KB
Error
No

Performance Breakdown

Database
37.7% (2 queries)
View Rendering
0.0%
Application Logic
62.3%
Other Operations
0.0%
Total Operations
3
Slowest Operation
36.32 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
Database
0.0ms 14.6ms 29.2ms 43.7ms 58.3ms

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
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 2.8%
sessions#new 36 ms 100.0%
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... 21 ms 57.8%