1

Specification name optimized for billing

The specification name of Kafka instances in the billing system is optimized. The new specification name is Distributed Message Service (for Kafka).

The original name may be confused with other cloud service names or specifications.

The actual billing items, fees, and existing instances are not affected.

Commercial use

Bills

2

Accumulation diagnosis available on the console

The message accumulation diagnosis function is available on the console. If there are accumulated messages, you can learn about the possible causes, affected partitions or brokers, and handling suggestions of the accumulation by viewing the diagnosis record.

Commercial use

Diagnosing Message Accumulation

1

Creating messages on the console

Specified messages can be sent to a Kafka instance on the Kafka console to verify service logic.

Commercial use

Creating Messages

1

Manually specifying private IP addresses

Private IP addresses can be manually specified in instance creation or broker expansion.

Commercial use

Buying an Instance

Modifying Instance Specifications

1

Changing SASL

SASL can be enabled or disabled after the instance is created.

Only available in CN North-Beijing4 and CN East-Shanghai1 regions.

Commercial use

Changing the Access Mode of an Instance

2

Support scheduled partitions reassignment

Topic partitions reassignment can be scheduled. You can set a scheduled task of reassigning partitions out of service peaks.

Commercial use

Reassigning Partitions

1

Added monitoring metrics

New metrics include network bandwidth usage rate and Smart Connect.

Enable Smart Connect to view related metrics.

Commercial use

Kafka Metrics

1

New flavor: kafka.2u4g.cluster.small

Small enterprises and test services can start from this small flavor.

Commercial use

Specifications

2

Disabling Smart Connect

Smart Connect of a Kafka instance can be disabled.

Commercial use

Disabling Smart Connect

3

Longer topic aging time

The longest aging time of Kafka instance topics is extended from 168 hours to 720 hours.

Commercial use

Creating a Topic

1

Creating consumer groups on the console

You can now create consumer groups on the console, and use a configuration parameter to specify whether to automatically create consumer groups.

Commercial use

Creating a Consumer Group

Modifying Kafka Parameters

1

Default topic permissions

If there are a large number of users, you can use default topic permissions to simplify configurations.

Commercial use

Configuring Topic Permissions

1

Topic rate limits

Configure a topic-level rate limit quota to meet O&M and resource isolation requirements.

Commercial use

Creating a Quota

1

SCRAM-SHA-512

Kafka instances support the SCRAM-SHA-512 and PLAIN mechanisms.

SCRAM-SHA-512 uses the hash algorithm to generate credentials for usernames and passwords to verify identities. SCRAM-SHA-512 is more secure than PLAIN.

Commercial use

Buying an Instance

Accessing a Kafka Instance with SASL

1

Increasing broker flavors

You can increase the broker flavor for instances.

You can increase the broker flavor in the CN North-Beijing4, CN South-Guangzhou, and AP-Singapore (only for new specifications) regions.

Commercial use

Modifying Instance Specifications

2

Kafka quotas

On the console, you can control the message production and consumption rate limits for users or clients.

Commercial use

Creating a Quota

3

Partition reassignment

Partition reassignment is to reassign replicas of a partition to different brokers to solve the problem of unbalanced broker load.

The DMS for Kafka console provides automatic and manual reassignment.

Commercial use

Partition Reassignment

1

Yearly/monthly billing

DMS for Kafka supports yearly/monthly billing.

Currently, this feature is available only in AP-Singapore.

Commercial use

Overview

2

Specifications calculation

When buying an instance, you can select Custom for Specifications. The system calculates the number of brokers and broker storage space for different flavors based on your specified peak creation traffic, retrieval traffic, number of replicas per topic, total number of partitions, and size of messages created during the retention period.

Commercial use

Buying an Instance