Request Details

Route
/sign_in GET|POST
Timestamp
Sep 23, 2026 1:04 AM
Duration
38.85 ms
Status
201
Response Size
3.5 KB
Error
No

Performance Breakdown

Database
14.9% (1 query)
View Rendering
27.3%
Application Logic
57.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
38.85 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 50.4ms 100.8ms 151.2ms 201.6ms

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
home/index 13 ms 33.5%
posts/show 16 ms 41.2%
sessions#new 39 ms 100.0%
sessions#new 39 ms 100.0%
sessions#new 39 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 30 ms 77.2%
home/index 26 ms 66.9%