时间序列docvalues列存储

时间序列数据库——索引用ES、聚合分析时加载数据用什么？docvalues的列存储貌似更优...

DocValues是一种按列组织的存储格式，这种存储方式降低了随机读的成本。传统的按行存储是这样的：1和2代表的是docid。颜色代表的是不同的字段。改成按列存储是这样的：按列存储的话会把一个文件分成多个文件，每个列一个。对于每个文件，都...

时间序列数据库——索引用ES、聚合分析时加载数据用什么？docvalues的列存储貌似更优...

Segment对应了一些列文件存储索引（倒排表等）和主存储（DocValues等），这些文件内部又分为小的 Block进行压缩。时间序列数据一般按照日期分成多个Elasticsearch Index来存储，比如logstash-2014.08.02。查询的时候可以指定多个Elastic...

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存储

阿里云是目前国内规模最大的云存储服务商，采用自研飞天大规模分布式存储引擎“盘古2.0”，支撑双11轻松度过吞吐TB/s，IOPS上亿/s的压力，为全球企业提供如磐石的可靠存储服务。

基础存储

数据存储

混合云存储