{"id":19704692,"url":"https://github.com/datastax/snowflake-connector","last_synced_at":"2026-01-27T13:03:56.431Z","repository":{"id":37605280,"uuid":"408960119","full_name":"datastax/snowflake-connector","owner":"datastax","description":"Datastax Snowflake Sink Connector for Apache 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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["apache","apache-pulsar","connectors","kafka","kafka-connect","pulsar","pulsar-io","snowflake"],"created_at":"2024-11-11T21:24:05.951Z","updated_at":"2026-01-27T13:03:56.407Z","avatar_url":"https://github.com/datastax.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Datastax Snowflake Sink Connector for Apache Pulsar\n\nThis connector pushes messages from Apache Pulsar topic into Snowflake DB.\n\nThis connector is Open Source Software, Apache 2 licensed and built using [Snowflake's Connector for Kafka](https://github.com/snowflakedb/snowflake-kafka-connector) ([documentation](https://docs.snowflake.com/en/user-guide/kafka-connector.html)).\n\nPlease refer to this [blog post](https://medium.com/building-the-open-data-stack/datastax-presents-snowflake-sink-connector-for-apache-pulsar-53629b196064) for a quick walk-through.\n\n## Installation\n\nPlease refer to Apache Pulsar IO [documentation](https://pulsar.apache.org/docs/en/io-use/).\n\nUse `pulsar-snowflake-connector/target/pulsar-snowflake-connector-0.1.0-SNAPSHOT.nar` if the project is built from sources.\n\n## Configuration\n\n| Parameter Name  | Description | Default value |\n|-----------------|-------------|---------------|\n|batchSize|Size of messages in bytes the sink will attempt to batch messages together before flush.|16384|\n|lingerTimeMs|Time interval in milliseconds the sink will attempt to batch messages together before flush.|2147483647|\n|topic|The topic name that passed to kafka sink.|n/a|\n|kafkaConnectorSinkClass|A kafka-connector sink class to use.|com.snowflake.kafka.connector.SnowflakeSinkConnector|\n|offsetStorageTopic|Pulsar topic to store offsets at.|snowflake-sink-offsets|\n|unwrapKeyValueIfAvailable|In case of `Record\u003cKeyValue\u003c\u003e\u003e` data use key from KeyValue\u003c\u003e instead of one from Record.|true|\n|kafkaConnectorConfigProperties|Config properties to pass to the kafka connector.|n/a|\n\nList of `kafkaConnectorConfigProperties` can be found at the [documentation](https://docs.snowflake.com/en/user-guide/kafka-connector-install.html#kafka-configuration-properties) for the Snowflake's Connector for Kafka.\n\n### Known Issues\n\n`snowflake.topic2table.map` parameter [is not supported](https://github.com/snowflakedb/snowflake-kafka-connector/issues/337).\n\nSnowflake's Connector expects `topic:table[,topic:table]` format and does not handle Pulsar's topic URLs `persistent://tenant/namespace/topic-name`.\n\n### Example\n\n```yaml\nprocessingGuarantees: \"EFFECTIVELY_ONCE\"\nconfigs:\n  topic: \"snowflake-demo\"\n  offsetStorageTopic: \"snowflake-sink-offsets-demo\"\n  batchSize: \"100\"\n  lingerTimeMs: \"600000\"\n  kafkaConnectorConfigProperties:\n     name: \"snowflakedemo\"\n     connector.class: \"com.snowflake.kafka.connector.SnowflakeSinkConnector\"\n     tasks.max: \"1\"\n     topics: \"snowflake-demo\"\n     buffer.count.records: \"100\"\n     buffer.flush.time: \"600\"\n     buffer.size.bytes: \"102400\"\n     snowflake.url.name: \"tenant.snowflakecomputing.com:443\"\n     snowflake.user.name: \"kafka_connector_user\"\n     snowflake.private.key: \"very_secret_key\"\n     snowflake.database.name: \"kafka_db\"\n     snowflake.schema.name: \"kafka_schema\"\n     key.converter: \"org.apache.kafka.connect.storage.StringConverter\"\n     value.converter: \"com.snowflake.kafka.connector.records.SnowflakeJsonConverter\"\n```\n\n## Building from source\n\nIf you want to develop and test this library you need to build it from sources.\n\n```shell\nmvn clean install -DskipTests\n```\n\nThe Apache Pulsar distro is regulated by the properties `pulsar.version` and `pulsar.distribution-name`.\n\n### Release\n\n```shell\nmvn release:prepare -Prelease -Dresume=false\n```\n\nThe GitHub release is handled by a GitHub action whenever a tag is being pushed","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdatastax%2Fsnowflake-connector","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdatastax%2Fsnowflake-connector","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdatastax%2Fsnowflake-connector/lists"}