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cdc: add the maximum value (100MB) for max-message-bytes (#22018) #22023

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ti-chi-bot merged 2 commits into from
Nov 6, 2025
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cdc: add the maximum value (100MB) for max-message-bytes (#22018) #22023

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Update ticdc-sink-to-kafka.md
wk989898 Nov 6, 2025
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Update ticdc/ticdc-sink-to-kafka.md
hfxsd Nov 6, 2025
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2 changes: 1 addition & 1 deletion ticdc/ticdc-sink-to-kafka.md
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Expand Up @@ -77,7 +77,7 @@ The following are descriptions of sink URI parameters and values that can be con
| `kafka-version` | The version of the downstream Kafka. This value needs to be consistent with the actual version of the downstream Kafka. |
| `kafka-client-id` | Specifies the Kafka client ID of the replication task (optional. `TiCDC_sarama_producer_replication ID` by default). |
| `partition-num` | The number of the downstream Kafka partitions (optional. The value must be **no greater than** the actual number of partitions; otherwise, the replication task cannot be created successfully. `3` by default). |
| `max-message-bytes` | The maximum size of data that is sent to Kafka broker each time (optional, `10MB` by default). From v5.0.6 and v4.0.6, the default value has changed from `64MB` and `256MB` to `10MB`. |
| `max-message-bytes` | The maximum size of data that is sent to Kafka broker each time (optional, `10MB` by default, and the maximum value is `100MB`). From v5.0.6 and v4.0.6, the default value has changed from `64MB` and `256MB` to `10MB`. |
| `replication-factor` | The number of Kafka message replicas that can be saved (optional, `1` by default). This value must be greater than or equal to the value of [`min.insync.replicas`](https://kafka.apache.org/33/documentation.html#brokerconfigs_min.insync.replicas) in Kafka. |
| `required-acks` | A parameter used in the `Produce` request, which notifies the broker of the number of replica acknowledgements it needs to receive before responding. Value options are `0` (`NoResponse`: no response, only `TCP ACK` is provided), `1` (`WaitForLocal`: responds only after local commits are submitted successfully), and `-1` (`WaitForAll`: responds after all replicated replicas are committed successfully. You can configure the minimum number of replicated replicas using the [`min.insync.replicas`](https://kafka.apache.org/33/documentation.html#brokerconfigs_min.insync.replicas) configuration item of the broker). (Optional, the default value is `-1`). |
| `compression` | The compression algorithm used when sending messages (value options are `none`, `lz4`, `gzip`, `snappy`, and `zstd`; `none` by default). Note that the Snappy compressed file must be in the [official Snappy format](https://github.com/google/snappy). Other variants of Snappy compression are not supported.|
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