Request Details

Route
/posts POST
Timestamp
Sep 22, 2026 10:05 PM
Duration
18.41 ms
Status
201
Response Size
11 KB
Error
No

Performance Breakdown

Database
33.5% (3 queries)
View Rendering
27.9%
Application Logic
38.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
40.0 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 35.8ms 71.6ms 107.4ms 143.2ms

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
posts#create 18 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 6 ms 32.6%
posts#create 18 ms 100.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 10 ms 54.3%
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... 32 ms 173.8%
posts#create 18 ms 100.0%
posts/show 40 ms 217.3%