数据存储技术

数据存储技术
分布式文件系统：Hadoop Distributed File System（HDFS）是最常用的分布式文件系统之一。它将数据分散存储在多个节点上，具有高可靠性、高扩展性和高容错性。HDFS 适合存储大规模的非结构化数据，如文本、图像和视频等。
列式数据库：传统的关系型数据库通常采用行式存储，而列式数据库（如 HBase、Cassandra 等）则以列为单位存储数据。这种存储方式在数据分析场景下具有更高的查询效率，尤其适用于处理大规模数据集的聚合计算。
对象存储：对象存储（如 Amazon S3、阿里云 OSS 等）是一种基于互联网的存储服务，它以对象为基本存储单元，每个对象包含数据和元数据。对象存储具有高可扩展性、高可靠性和低成本等优点，适合存储海量的非结构化数据。

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