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TDMQ for CKafka
DocumentationTDMQ for CKafkaOperation GuideInstance ManagementViewing Instance
Viewing Instance
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Last updated: 2024-01-09 14:47:31
Viewing Instance
Last updated: 2024-01-09 14:47:31
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Overview

This document describes how to view the configuration information and status of an instance in the CKafka console.

Directions

1. Log in to the CKafka console.
2. Click Instance List on the left sidebar and click the ID/Name of the target instance to enter its Basic Info page, where you can view various information of the instance such as the status, configuration information, access mode, message retention period, and automatic topic creation.

Note:
The private IP and port (such as 10.6.206.110:9092) in Configuration Information represent the communication address used to get the backend service. There may be multiple ports in a real access address. If access control is configured on your server, open ports 9092–9192 to the internet on it. As brokers may be automatically scaled out, the number of ports that need to be opened will increase after the scale-out, and you should reserve a sufficient number of ports.
Once you enable the automatic topic creation feature for the server, when you use or access metadata of a topic that does not exist, it will be automatically created with the configured number of replicas and partitions.
The total number of topics that can be automatically created varies by instance specification. For more information, see Billing Overview.

Health status description

CKafka runs an inspection program for each instance, which checks the instance's number of connections, disk utilization, production peak bandwidth, and consumption peak bandwidth. Different health status are displayed when these metrics exceed certain thresholds as detailed below:
Metric
Threshold (N)
Status Description
Number of connections (up to 5,000 by default)
N ≤ 80%
Healthy
80% < N ≤ 95%
Alarmed
N > 95%
Abnormal
Disk utilization
N ≤ 80%
Healthy
80% < N ≤ 95%
Alarmed
N > 95%
Abnormal
Production peak bandwidth (excluding the bandwidth of replicas)
N ≤ 80%
Healthy
80% < N ≤ 100%
Alarmed
N > 100%
Abnormal
Consumption peak bandwidth
N ≤ 80%
Healthy
80% < N ≤ 100%
Alarmed
N > 100%
Abnormal
Note:
The maximum number of connections is 5,000 by default, and you should determine the threshold based on the percentage of the maximum value. After the number of instance connections exceeds this maximum value, the client cannot create more connections. If this maximum value is unreasonable in your actual business, you can submit a ticket to increase it.

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