Request Details

Route
/posts POST
Timestamp
Sep 20, 2026 11:09 PM
Duration
81.86 ms
Status
201
Response Size
10 KB
Error
No

Performance Breakdown

Database
13.8% (3 queries)
View Rendering
10.8%
Application Logic
75.4%
Other Operations
0.0%
Total Operations
8
Slowest Operation
81.86 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 81.4ms 162.8ms 244.2ms 325.6ms

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
home/index 17 ms 20.8%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 8 ms 9.8%
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... 28 ms 34.2%
posts#create 82 ms 100.0%
posts#create 82 ms 100.0%
posts#create 82 ms 100.0%
layouts/application 18 ms 22.0%
SELECT name FROM users 9 ms 11.0%