Request Details

Route
/posts POST
Timestamp
Sep 22, 2026 11:24 AM
Duration
25.21 ms
Status
201
Response Size
5.8 KB
Error
No

Performance Breakdown

Database
5.4% (1 query)
View Rendering
43.4%
Application Logic
51.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
25.21 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 36.9ms 73.8ms 110.7ms 147.6ms

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
users/index 10 ms 39.7%
users/index 8 ms 31.7%
posts#create 25 ms 100.0%
posts#create 25 ms 100.0%
posts#create 25 ms 100.0%
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... 8 ms 31.7%
home/index 22 ms 87.3%
users/index 24 ms 95.2%