Request Details

Route
/api/v1/posts GET
Timestamp
Sep 22, 2026 3:57 PM
Duration
19.06 ms
Status
201
Response Size
6.2 KB
Error
No

Performance Breakdown

Database
41.5% (3 queries)
View Rendering
48.1%
Application Logic
10.4%
Other Operations
0.0%
Total Operations
8
Slowest Operation
32.0 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 45.8ms 91.5ms 137.3ms 183.1ms

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 12 ms 63.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 23 ms 120.7%
SELECT name FROM users 32 ms 167.9%
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... 21 ms 110.2%
api/v1/posts#index 19 ms 100.0%
users/index 30 ms 157.4%
users/index 19 ms 99.7%
users/index 27 ms 141.6%