Request Details

Route
/posts POST
Timestamp
Sep 11, 2026 6:13 PM
Duration
16.93 ms
Status
200
Response Size
14 KB
Error
No

Performance Breakdown

Database
61.1% (4 queries)
View Rendering
26.0%
Application Logic
12.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
33.0 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 32.7ms 65.5ms 98.2ms 130.9ms

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
UPDATE posts SET view_count = view_count + ? WHERE published = ? 9 ms 53.2%
SELECT * FROM users WHERE id = ? 33 ms 195.0%
posts#create 17 ms 100.0%
home/index 15 ms 88.6%
posts/show 19 ms 112.3%
SELECT * FROM users WHERE id = ? 22 ms 130.0%
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... 16 ms 94.5%