Request Details

Route
/posts POST
Timestamp
Sep 23, 2026 8:50 AM
Duration
46.62 ms
Status
204
Response Size
12 KB
Error
No

Performance Breakdown

Database
23.5% (3 queries)
View Rendering
33.6%
Application Logic
42.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
46.62 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 54.3ms 108.6ms 162.9ms 217.2ms

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 id, name FROM users WHERE email = ? 21 ms 45.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 26 ms 55.8%
users/index 34 ms 72.9%
posts#create 47 ms 100.0%
layouts/application 39 ms 83.6%
posts#create 47 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... 4 ms 8.6%