Apache Spark 社区期待的 Delta Lake 开源了 – 过往记忆



Apache Spark 社区期待的 Delta Lake 开源了 – 过往记忆

2019年4月24日在美国旧金山召开的 Spark+AI Summit 2019 会上,Databricks 的联合创始人及 CEO Ali Ghodsi 宣布将 Databricks Runtime 里面的 Delta Lake 基于 Apache License 2.0 协议开源。Delta Lake 是一个存储层,为 Apache Spark 和大数据 workloads 提供 ACID 事务能力,其通过写和快照隔离之间的乐观并发控制(optimistic concurrency control),在写入数据期间提供一致性的读取,从而为构建在 HDFS 和云存储上的数据湖(data lakes)带来可靠性。Delta Lake 还提供内置数据版本控制,以便轻松回滚。目前 Delta Lake 项目地址为 https://delta.io/,代码维护地址 https://github.com/delta-io/delta


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