Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 2:54 PM
Duration
71.48 ms
Status
204
Response Size
7.5 KB
Error
No

Performance Breakdown

Database
40.1% (3 queries)
View Rendering
24.1%
Application Logic
35.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
71.48 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 49.9ms 99.7ms 149.6ms 199.5ms

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 users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 22 ms 30.8%
SELECT * FROM posts WHERE created_at > ? 23 ms 32.2%
sessions#new 71 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 35 ms 49.0%
layouts/application 16 ms 22.4%
layouts/application 25 ms 35.0%
users/index 7 ms 9.8%