Stephanie0002 opened a new issue, #8211:
URL: https://github.com/apache/rocketmq/issues/8211
### Is Your Feature Request Related to a Problem?
The existing observable system of this project lacks broker-side monitoring
of the creation time of topic and subscription group.
### Describe the Solution You'd Like
Add two metrics rocketmq_create_topic_time and
rocketmq_create_subscription_time as following:
| Type | Name | Unit |
Description
| Label
|
| --------- | -------------------------------------- | -----------
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
----------------------------------------------------------------- |
| histogram | rocketmq_create_topic_time | millisecond | The
topic creation time: <br />le_10_ms<br />le_100_ms<br />le_1_s<br />le_3_s<br
/>le_5_s<br />le_overflow
|
node_id,request_is_success,is_system |
| histogram | rocketmq_create_subscription_time | millisecond | The
subscription group creation time: <br />le_10_ms<br />le_100_ms<br />le_1_s<br
/>le_3_s<br />le_5_s<br />le_overflow
| node_id,request_is_success
|
### Describe Alternatives You've Considered
1. Plan to utilize histogram-type metrics and counter-type metrics.
Histogram: A metric type that illustrates the frequency distribution of
monitored data points through sampling.
2. Add metric variables within the `BrokerMetricsManager` class:
`createTopicTime` and `createSubscriptionTime`.
3. Incorporate corresponding constants in the `BrokerMetricsConstant` class.
a. Specifically, introduce the `LABEL_REQUEST_IS_SUCCESS` constant to
denote the success of topic creation requests.
4. Construct the respective metrics within the `initRequestMetrics` method
of the `BrokerMetricsManager` class.
5. Update these metrics in the topic creation function and subscription
creation function of the `AdminBrokerProcessor` class.
6. Configure buckets
### Additional Context
_No response_
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