Docs Cloud Redpanda Connect Components Outputs kafka_franz kafka_franz Type: OutputInput Available in: Cloud, Self-Managed The kafka_franz output writes a batch of messages to Kafka brokers and waits for acknowledgement before propagating any acknowledgments back to the input. This output often outperforms the traditional kafka output, as well as providing more useful logs and error messages. This output uses the Franz Kafka client library. Common Advanced # Common configuration fields, showing default values output: label: "" kafka_franz: seed_brokers: [] # No default (required) topic: "" # No default (required) key: "" # No default (optional) partition: ${! meta("partition") } # No default (optional) metadata: include_prefixes: [] include_patterns: [] max_in_flight: 10 batching: count: 0 byte_size: 0 period: "" check: "" # All configuration fields, showing default values output: label: "" kafka_franz: seed_brokers: [] # No default (required) topic: "" # No default (required) key: "" # No default (optional) partitioner: "" # No default (optional) partition: ${! meta("partition") } # No default (optional) client_id: benthos rack_id: "" idempotent_write: true metadata: include_prefixes: [] include_patterns: [] max_in_flight: 10 timeout: 10s batching: count: 0 byte_size: 0 period: "" check: "" processors: [] # No default (optional) max_message_bytes: 1MB compression: "" # No default (optional) tls: enabled: false skip_cert_verify: false enable_renegotiation: false root_cas: "" root_cas_file: "" client_certs: [] sasl: [] # No default (optional) timestamp_ms: ${! timestamp_unix_milli() } # No default (optional) Fields seed_brokers A list of broker addresses to connect to in order to establish connections. If an item of the list contains commas it will be expanded into multiple addresses. Type: array # Examples seed_brokers: - localhost:9092 seed_brokers: - foo:9092 - bar:9092 seed_brokers: - foo:9092,bar:9092 topic A topic to write messages to. This field supports interpolation functions. Type: string key An optional key to populate for each message. This field supports interpolation functions. Type: string partitioner Override the default murmur2 hashing partitioner. Type: string Option Summary least_backup Chooses the least backed up partition (the partition with the fewest amount of buffered records). Partitions are selected per batch. manual Manually select a partition for each message, requires the field partition to be specified. murmur2_hash Kafka’s default hash algorithm that uses a 32-bit murmur2 hash of the key to compute which partition the record will be on. round_robin Round-robin’s messages through all available partitions. This algorithm has lower throughput and causes higher CPU load on brokers, but can be useful if you want to ensure an even distribution of records to partitions. partition An optional explicit partition to set for each message. This field is only relevant when the partitioner is set to manual. The provided interpolation string must be a valid integer. This field supports interpolation functions. Type: string # Examples partition: ${! meta("partition") } client_id An identifier for the client connection. Type: string Default: "benthos" rack_id A rack identifier for this client. Type: string Default: "" idempotent_write Enable the idempotent write producer option. This requires the IDEMPOTENT_WRITE permission on CLUSTER and can be disabled if this permission is not available. Type: bool Default: true metadata Determine which (if any) metadata values should be added to messages as headers. Type: object metadata.include_prefixes Provide a list of explicit metadata key prefixes to match against. Type: array Default: [] # Examples include_prefixes: - foo_ - bar_ include_prefixes: - kafka_ include_prefixes: - content- metadata.include_patterns Provide a list of explicit metadata key regular expression (re2) patterns to match against. Type: array Default: [] # Examples include_patterns: - .* include_patterns: - _timestamp_unix$ max_in_flight The maximum number of batches to be sending in parallel at any given time. Type: int Default: 10 timeout The maximum period of time to wait for message sends before abandoning the request and retrying Type: string Default: "10s" batching Allows you to configure a batching policy. Type: object # Examples batching: byte_size: 5000 count: 0 period: 1s batching: count: 10 period: 1s batching: check: this.contains("END BATCH") count: 0 period: 1m batching.count A number of messages at which the batch should be flushed. If 0 disables count based batching. Type: int Default: 0 batching.byte_size An amount of bytes at which the batch should be flushed. If 0 disables size based batching. Type: int Default: 0 batching.period A period in which an incomplete batch should be flushed regardless of its size. Type: string Default: "" # Examples period: 1s period: 1m period: 500ms batching.check A Bloblang query that should return a boolean value indicating whether a message should end a batch. Type: string Default: "" # Examples check: this.type == "end_of_transaction" batching.processors A list of processors to apply to a batch as it is flushed. This allows you to aggregate and archive the batch however you see fit. Please note that all resulting messages are flushed as a single batch, therefore splitting the batch into smaller batches using these processors is a no-op. Type: array # Examples processors: - archive: format: concatenate processors: - archive: format: lines processors: - archive: format: json_array max_message_bytes The maximum space in bytes than an individual message may take, messages larger than this value will be rejected. This field corresponds to Kafka’s max.message.bytes. Type: string Default: "1MB" # Examples max_message_bytes: 100MB max_message_bytes: 50mib compression Optionally set an explicit compression type. The default preference is to use snappy when the broker supports it, and fall back to none if not. Type: string Options: lz4 , snappy , gzip , none , zstd . tls Custom TLS settings can be used to override system defaults. Type: object tls.enabled Whether custom TLS settings are enabled. Type: bool Default: false tls.skip_cert_verify Whether to skip server side certificate verification. Type: bool Default: false tls.enable_renegotiation Whether to allow the remote server to repeatedly request renegotiation. Enable this option if you’re seeing the error message local error: tls: no renegotiation. Type: bool Default: false tls.root_cas An optional root certificate authority to use. This is a string, representing a certificate chain from the parent trusted root certificate, to possible intermediate signing certificates, to the host certificate. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" # Examples root_cas: |- -----BEGIN CERTIFICATE----- ... -----END CERTIFICATE----- tls.root_cas_file An optional path of a root certificate authority file to use. This is a file, often with a .pem extension, containing a certificate chain from the parent trusted root certificate, to possible intermediate signing certificates, to the host certificate. Type: string Default: "" # Examples root_cas_file: ./root_cas.pem tls.client_certs A list of client certificates to use. For each certificate either the fields cert and key, or cert_file and key_file should be specified, but not both. Type: array Default: [] # Examples client_certs: - cert: foo key: bar client_certs: - cert_file: ./example.pem key_file: ./example.key tls.client_certs[].cert A plain text certificate to use. Type: string Default: "" tls.client_certs[].key A plain text certificate key to use. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" tls.client_certs[].cert_file The path of a certificate to use. Type: string Default: "" tls.client_certs[].key_file The path of a certificate key to use. Type: string Default: "" tls.client_certs[].password A plain text password for when the private key is password encrypted in PKCS#1 or PKCS#8 format. The obsolete pbeWithMD5AndDES-CBC algorithm is not supported for the PKCS#8 format. Because the obsolete pbeWithMD5AndDES-CBC algorithm does not authenticate the ciphertext, it is vulnerable to padding oracle attacks that can let an attacker recover the plaintext. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" # Examples password: foo password: ${KEY_PASSWORD} sasl Specify one or more methods of SASL authentication. SASL is tried in order; if the broker supports the first mechanism, all connections will use that mechanism. If the first mechanism fails, the client will pick the first supported mechanism. If the broker does not support any client mechanisms, connections will fail. Type: array # Examples sasl: - mechanism: SCRAM-SHA-512 password: bar username: foo sasl[].mechanism The SASL mechanism to use. Type: string Option Summary AWS_MSK_IAM AWS IAM based authentication as specified by the 'aws-msk-iam-auth' java library. OAUTHBEARER OAuth Bearer based authentication. PLAIN Plain text authentication. SCRAM-SHA-256 SCRAM based authentication as specified in RFC5802. SCRAM-SHA-512 SCRAM based authentication as specified in RFC5802. none Disable sasl authentication sasl[].username A username to provide for PLAIN or SCRAM-* authentication. Type: string Default: "" sasl[].password A password to provide for PLAIN or SCRAM-* authentication. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" sasl[].token The token to use for a single session’s OAUTHBEARER authentication. Type: string Default: "" sasl[].extensions Key/value pairs to add to OAUTHBEARER authentication requests. Type: object sasl[].aws Contains AWS specific fields for when the mechanism is set to AWS_MSK_IAM. Type: object sasl[].aws.region The AWS region to target. Type: string Default: "" sasl[].aws.endpoint Allows you to specify a custom endpoint for the AWS API. Type: string Default: "" sasl[].aws.credentials Optional manual configuration of AWS credentials to use. More information can be found in Amazon Web Services. Type: object sasl[].aws.credentials.profile A profile from ~/.aws/credentials to use. Type: string Default: "" sasl[].aws.credentials.id The ID of credentials to use. Type: string Default: "" sasl[].aws.credentials.secret The secret for the credentials being used. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" sasl[].aws.credentials.token The token for the credentials being used, required when using short term credentials. Type: string Default: "" sasl[].aws.credentials.from_ec2_role Use the credentials of a host EC2 machine configured to assume an IAM role associated with the instance. Type: bool Default: false sasl[].aws.credentials.role A role ARN to assume. Type: string Default: "" sasl[].aws.credentials.role_external_id An external ID to provide when assuming a role. Type: string Default: "" timestamp_ms Set a timestamp (in milliseconds) for each message (optional). When left empty, the current timestamp is used. This field supports interpolation functions. Type: string # Examples timestamp_ms: ${! timestamp_unix_milli() } timestamp_ms: ${! metadata("kafka_timestamp_ms") } Back to top × Simple online edits For simple changes, such as fixing a typo, you can edit the content directly on GitHub. 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