Request Details

Route
/posts POST
Timestamp
Sep 11, 2026 11:05 AM
Duration
102.34 ms
Status
200
Response Size
15 KB
Error
No

Performance Breakdown

Database
21.0% (3 queries)
View Rendering
1.5%
Application Logic
77.5%
Other Operations
0.0%
Total Operations
7
Slowest Operation
102.34 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 99.0ms 198.0ms 297.0ms 396.0ms

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 users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 29 ms 28.3%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 19 ms 18.6%
posts#create 102 ms 100.0%
posts#create 102 ms 100.0%
home/index 6 ms 5.9%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 35 ms 34.2%
posts#create 102 ms 100.0%