Request Details

Route
/sign_in GET|POST
Timestamp
Sep 10, 2026 3:14 AM
Duration
92.59 ms
Status
200
Response Size
3.1 KB
Error
No

Performance Breakdown

Database
26.3% (2 queries)
View Rendering
0.0%
Application Logic
73.7%
Other Operations
0.0%
Total Operations
4
Slowest Operation
92.59 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
Database
0.0ms 62.8ms 125.6ms 188.4ms 251.2ms

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 comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 35 ms 37.8%
sessions#new 93 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 31 ms 33.5%
sessions#new 93 ms 100.0%