---
title: "Change config group Kafka settings"
slug: "analytics-cdss-configgroup-setkafkaconfiggroupdetail"
updated: 2026-09-17T09:51:28Z
published: 2026-09-17T09:51:28Z
canonical: "api.ncloud-docs.com/analytics-cdss-configgroup-setkafkaconfiggroupdetail"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Change config group Kafka settings

Available in VPC

Change detailed Kafka settings for a config group.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| POST | /api/v1/configGroup/setKafkaConfigGroupDetail/{configGroupNo} (Korea Region) |
| POST | /api/sgn-v1/configGroup/setKafkaConfigGroupDetail/{configGroupNo} (Singapore Region) |
| POST | /api/jpn-v1/configGroup/setKafkaConfigGroupDetail/{configGroupNo} (Japan Region) |

### Request headers

For information about the headers common to all Cloud Data Streaming Service APIs, see [Cloud Data Streaming Service request headers](/docs/en/analytics-clouddatastreamingservice#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request path parameters

You can use the following path parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `configGroupNo` | Integer | Required | Config group number - See [Get config group list](/docs/en/analytics-cdss-configgroup-getkafkaversionconfiggrouplist). |

### Request body

You can include the following data in the body of your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `kafkaVersionCode` | Integer | Required | Kafka version code - See [Get version](/docs/en/analytics-clouddatastreamingservice-cluster-getkafkaversionlist). |
| `autoCreateTopicsEnable` | Boolean | Optional | Whether topic auto-generation is enabled - `true` (default) \| `false` - `true`: Enabled - `false`: Disabled - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `deleteTopicEnable` | Boolean | Optional | Whether topic deletion is enabled - `true` (default) \| `false` - `true`: Enabled - `false`: Disabled - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `offsetsTopicReplicationFactor` | Integer | Optional | Replication factor applied to offset topics - 1-128 (default: 3) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `logCleanerEnable` | Boolean | Optional | Whether log cleaner process is enabled - `true` (default) \| `false` - `true`: Enabled - `false`: Disabled - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `logCleanupPolicy` | String | Optional | Cleanup policy for logs that have exceeded their retention period - `delete` (default) \| `compact` - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `logCleanerThreads` | Integer | Optional | Number of background threads to perform log cleanup - 1-100 (default: 1) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `logFlushIntervalMessages` | Number | Optional | Number of accumulated messages before performing disk flush - 1-9223372036854775807 (default: 9223372036854775807) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `logRetentionBytes` | Number | Optional | Maximum log retention capacity - 1-N (default: -1) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `logRetentionHours` | Integer | Optional | Log retention time (hour) - 1-168 (default: 168) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `logSegmentBytes` | Integer | Optional | Maximum single log capacity (byte) - 14-2147483647 (default: 1073741824) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `numIoThreads` | Integer | Optional | Number of threads used to process server requests - 1-2147483647 (default: 8) - Disk I/O included - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `numNetworkThreads` | Integer | Optional | Number of threads used to receive requests from the server and send responses - 1-2147483647 (default: 3) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `numPartitions` | Integer | Optional | Number of log partitions by topic - 1-128 (default: 3) - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `authorizerClassName` | String | Optional | Full path of the class responsible for authorization - Default: `kafka.security.authorizer.AclAuthorizer` - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `allowEveryoneIfNoAclFound` | Boolean | Optional | Allow all access when ACL is missing - `true` (default) \| `false` - `true`: Allow - `false`: Block - See [Kafka Documentation](https://kafka.apache.org/24/documentation.html#configuration). |
| `additionalKafkaConfigGroupDetailList` | Array | Optional | Additional Kafka configuration list - Enter any additional Kafka settings to apply, in addition to the default request body fields. |

### Request example

The request example is as follows:

```
curl --location --request POST 'https://clouddatastreamingservice.apigw.ntruss.com/api/v1/configGroup/setKafkaConfigGroupDetail/3**' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--header 'Content-Type: application/json' \
--data '{
    "kafkaVersionCode": "3903006",
    "autoCreateTopicsEnable": true,
    "deleteTopicEnable": true,
    "logCleanerEnable": true,
    "logCleanupPolicy": "delete",
    "logCleanerThreads": 1,
    "logFlushIntervalMessages": 9223372036854775807,
    "logRetentionBytes": -1,
    "logRetentionHours": 168,
    "logSegmentBytes": 1073741824,
    "numIoThreads": 8,
    "numNetworkThreads": 3,
    "numPartitions": 3,
    "allowEveryoneIfNoAclFound": true,
    "additionalKafkaConfigGroupDetailList": []
}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `code` | Integer | - | Response code |
| `message` | String | - | Response message |
| `result` | Object | - | Response result |
| `result.configGroupNo` | Integer | - | Config group number |
| `requestId` | String | - | ID for the request - UUID format |

### Response status codes

For information about the HTTP status codes common to all Cloud Data Streaming Service APIs, see [Cloud Data Streaming Service response status codes](/docs/en/analytics-clouddatastreamingservice#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
{
    "code": 0,
    "message": "SUCCESS",
    "result": {
        "configGroupNo": 3**
    },
    "requestId": "548a94cf-****-****-****-53536d7cb48f"
}
```