Request Details

Route
/sign_in GET|POST
Timestamp
Sep 24, 2026 1:05 AM
Duration
68.22 ms
Status
200
Response Size
6.3 KB
Error
No

Performance Breakdown

Database
28.0% (4 queries)
View Rendering
8.4%
Application Logic
63.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
68.22 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 80.4ms 160.8ms 241.2ms 321.7ms

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 68 ms 100.0%
sessions#new 68 ms 100.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 13 ms 19.1%
users/index 27 ms 39.6%
SELECT name FROM users 14 ms 20.5%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 32 ms 46.9%
sessions#new 68 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 31 ms 45.4%