Request Details

Route
/sign_in GET|POST
Timestamp
Sep 10, 2026 10:48 AM
Duration
236.59 ms
Status
200
Response Size
4.9 KB
Error
No

Performance Breakdown

Database
28.4% (4 queries)
View Rendering
8.1%
Application Logic
63.5%
Other Operations
0.0%
Total Operations
6
Slowest Operation
236.59 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 93.1ms 186.3ms 279.4ms 372.6ms

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 * FROM posts WHERE created_at > ? 35 ms 14.8%
sessions#new 237 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 11.4%
layouts/application 30 ms 12.7%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 30 ms 12.7%
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... 14 ms 5.9%