Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 10, 2026 6:21 AM
Duration
174.94 ms
Status
201
Response Size
6.9 KB
Error
No

Performance Breakdown

Database
8.1% (2 queries)
View Rendering
6.1%
Application Logic
85.8%
Other Operations
0.0%
Total Operations
5
Slowest Operation
174.94 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 102.0ms 203.9ms 305.9ms 407.9ms

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
home/index 25 ms 14.3%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 29 ms 16.6%
users/settings#show 175 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 4 ms 2.3%
users/settings#show 175 ms 100.0%