Request Details

Route
/sign_in GET|POST
Timestamp
Sep 23, 2026 2:02 AM
Duration
44.47 ms
Status
201
Response Size
11 KB
Error
No

Performance Breakdown

Database
33.3% (3 queries)
View Rendering
29.1%
Application Logic
37.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
44.47 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 59.2ms 118.5ms 177.7ms 236.9ms

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
users/index 11 ms 24.7%
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... 10 ms 22.5%
sessions#new 44 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 34 ms 76.5%
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 > ? 35 ms 78.7%
users/index 37 ms 83.2%
home/index 21 ms 47.2%
sessions#new 44 ms 100.0%