Request Details

Route
/comments POST
Timestamp
Sep 22, 2026 6:43 AM
Duration
88.78 ms
Status
201
Response Size
17 KB
Error
No

Performance Breakdown

Database
40.9% (4 queries)
View Rendering
26.7%
Application Logic
32.4%
Other Operations
0.0%
Total Operations
8
Slowest Operation
88.78 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 68.4ms 136.9ms 205.3ms 273.8ms

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 * FROM posts WHERE created_at > ? 18 ms 20.3%
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 > ? 33 ms 37.2%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 30.4%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 34 ms 38.3%
users/index 26 ms 29.3%
comments#create 89 ms 100.0%
home/index 20 ms 22.5%
layouts/application 27 ms 30.4%