Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 8:27 PM
Duration
52.64 ms
Status
201
Response Size
4.7 KB
Error
No

Performance Breakdown

Database
37.1% (4 queries)
View Rendering
24.7%
Application Logic
38.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
52.64 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 68.8ms 137.6ms 206.5ms 275.3ms

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
sessions#new 53 ms 100.0%
home/index 28 ms 53.2%
SELECT name FROM users 31 ms 58.9%
sessions#new 53 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 29 ms 55.1%
home/index 40 ms 76.0%
SELECT * FROM users WHERE id = ? 21 ms 39.9%
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... 21 ms 39.9%