Request Details

Route
/sign_in GET|POST
Timestamp
Sep 21, 2026 4:59 PM
Duration
72.14 ms
Status
200
Response Size
7.8 KB
Error
No

Performance Breakdown

Database
34.6% (4 queries)
View Rendering
21.6%
Application Logic
43.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
72.14 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 82.3ms 164.6ms 247.0ms 329.3ms

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 72 ms 100.0%
home/index 39 ms 54.1%
sessions#new 72 ms 100.0%
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... 21 ms 29.1%
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 32 ms 44.4%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 35 ms 48.5%
SELECT * FROM users WHERE id = ? 26 ms 36.0%
users/index 32 ms 44.4%