Request Details

Route
/posts POST
Timestamp
Sep 17, 2026 5:19 AM
Duration
47.87 ms
Status
200
Response Size
10 KB
Error
No

Performance Breakdown

Database
17.4% (2 queries)
View Rendering
27.1%
Application Logic
55.5%
Other Operations
0.0%
Total Operations
7
Slowest Operation
47.87 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 64.7ms 129.3ms 194.0ms 258.6ms

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
posts#create 48 ms 100.0%
home/index 38 ms 79.4%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 24 ms 50.1%
users/index 32 ms 66.8%
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... 21 ms 43.9%
posts#create 48 ms 100.0%
posts#create 48 ms 100.0%