Request Details

Route
/sign_in GET|POST
Timestamp
Sep 23, 2026 12:00 AM
Duration
35.26 ms
Status
200
Response Size
13 KB
Error
No

Performance Breakdown

Database
40.1% (3 queries)
View Rendering
25.4%
Application Logic
34.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
35.26 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 25.6ms 51.1ms 76.7ms 102.3ms

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 users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 22 ms 62.4%
layouts/application 26 ms 73.7%
sessions#new 35 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 2 ms 5.7%
SELECT * FROM posts WHERE created_at > ? 17 ms 48.2%