Request Details

Route
/comments POST
Timestamp
Sep 09, 2026 1:50 PM
Duration
74.44 ms
Status
204
Response Size
16 KB
Error
No

Performance Breakdown

Database
25.1% (4 queries)
View Rendering
6.4%
Application Logic
68.4%
Other Operations
0.0%
Total Operations
8
Slowest Operation
74.44 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 81.6ms 163.2ms 244.7ms 326.3ms

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... 5 ms 6.7%
posts/show 21 ms 28.2%
comments#create 74 ms 100.0%
comments#create 74 ms 100.0%
SELECT name FROM users 28 ms 37.6%
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... 31 ms 41.6%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 18 ms 24.2%
comments#create 74 ms 100.0%