Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 10:59 PM
Duration
61.96 ms
Status
201
Response Size
9.8 KB
Error
No

Performance Breakdown

Database
31.4% (4 queries)
View Rendering
16.1%
Application Logic
52.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
61.96 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 59.0ms 118.0ms 176.9ms 235.9ms

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 name FROM users 21 ms 33.9%
users/index 7 ms 11.3%
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... 21 ms 33.9%
sessions#new 62 ms 100.0%
sessions#new 62 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 7 ms 11.3%
layouts/application 31 ms 50.0%
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 > ? 25 ms 40.3%