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  3. V3.3.1

Parameters of a destination Kafka instance

Last Updated:2026-09-04 08:14:02

Parameter
Type
Required
Default value
Description
batch.size Integer No 131072 The batch size.
buffer.memory Long No 536870912 The buffer memory.
json.serializer String No DefaultJsonSerializer The JSON serializer that serializes data to the Kafka instance. Valid values: DefaultJsonSerializer, CanalJsonSerializer, and ShareplexJsonSerializer. For more information, see the message format document.
kafka.servers String Yes None The Kafka service.
kafka.topic String Yes None The Kafka topic.
kafka.version String Yes None The version of the Kafka service. Valid values: 0.9, 1.0, and 2.x.
linger.ms Long No 0 The time to wait before sending a batch. The value range is 0 to 2^63, in milliseconds.
max.request.size Integer No 1 G The maximum size of requested data. The value range is 0 to 2^31, in bytes.
need.schema Boolean No false Specifies whether to use a schema when JSON is the default format.
partition Integer No 0 The partition name of the Kafka instance.
partition.mode String No hash The partitioning mode, which can be one_partition or hash.
  • The value one_partition indicates that data is to be delivered to a single partition. It must be used with the partition parameter.
  • The value hash indicates that data is to be delivered based on the data value defined by the sharding column.
sasl.jaas.conf.location String No None The location that stores the Java Authentication and Authorization Service (JAAS) configuration used for identity authentication during access to the Kafka service.
sasl.kerberos.conf.location String No None The location that stores the Kerberos configuration used for accessing the Kerberos server, which is also known as the key distribution center (KDC).
sasl.kerberos.keytab.location String No None The location that stores the Kerberos key table used for accessing the Kafka service.
sasl.kerberos.principal String No None The Kerberos principal used for accessing the Kafka service.
sasl.mechanism String No None The Simple Authentication and Security Layer (SASL) mechanism used for client connections. Generic Security Standard Application Programming Interface (GSSAPI) is the default mechanism.
sasl.password String No None The password of the account for accessing the Kafka service.
sasl.username String No None The username of the account for accessing the Kafka service.
security.protocol String No PLAINTEXT The security protocol used for accessing the Kafka service.
shard.fields String No None The sharding columns.
ssl.truststore.location String No None The location of the truststore.

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