Request Details

Route
/sign_in GET|POST
Timestamp
Sep 23, 2026 3:04 AM
Duration
76.3 ms
Status
201
Response Size
5.9 KB
Error
No

Performance Breakdown

Database
21.6% (4 queries)
View Rendering
10.7%
Application Logic
67.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
76.3 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 84.5ms 169.0ms 253.4ms 337.9ms

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
sessions#new 76 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 32 ms 41.9%
sessions#new 76 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... 6 ms 7.9%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 24 ms 31.5%
sessions#new 76 ms 100.0%
users/index 36 ms 47.2%
SELECT * FROM users WHERE id = ? 11 ms 14.4%