聚合分析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...docvalues的列存储貌似更优优势

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...

ES doc_values介绍2——本质是field value的列存储，做聚合分析用，ES默认开启，会...

（因为对于string的列存储会先转换为数字id再存）所有的字段都默认支持doc values，如果你确定你不需要在某个字段上排序或者聚合或者在脚本中访问，你可以disable掉：status_code字段默认开启doc_values session_id字段禁用了doc_values，...

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

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...

ES doc_values介绍——本质是field value的列存储，做聚合分析用，ES默认开启，会占用...

doc_values Doc values are the on-disk data structure,built at document index time,which makes this data access pattern possible.They store the same values as the_source but in a column-oriented fashion that is way more ...

“聚合分析”相关的热门内容

.维度聚合分析 .ElasticSearch聚合分析 .聚合分析cluster .聚合分析列存储 .聚合分析加载数据 .时间序列聚合分析 .数据库聚合分析 .索引聚合分析

“列存储”相关的热门内容

.数据库docvalues列存储 .加载数据docvalues列存储 .web内存优化列存储 .数据库聚合分析列存储 .索引docvalues列存储 .内存优化列存储分析 .druid列存储压缩 .数据库索引列存储

“docvalues”相关的热门内容

.索引docvalues .docvalues列存储 .数据库docvalues .数据库什么docvalues .聚合分析什么docvalues .数据库加载数据docvalues .索引聚合分析docvalues .时间序列数据库docvalues

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","link":"","icon":"","iconImg":"","contentLink":"https://www.aliyun.com/storage/storage","title":"存储","des":"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。","link1":"https://www.aliyun.com/storage/storage","btn1":"了解更多存储产品","link2":"","btn2":"","btn3":"","link3":"","infoGroup":[{"infoName":"基础存储","infoContent":{"firstContentName":"对象存储 OSS","firstContentLink":"https://www.aliyun.com/product/oss?spm=5176.14443107.J_8054047280.1.4e797f4606dSR3","lastContentLink":"https://www.aliyun.com/product/ots?spm=5176.14443107.J_8054047280.24.4e797f4606dSR3","lastContentName":"表格存储 Tablestore"}},{"infoName":"数据存储","infoContent":{"firstContentName":"日志服务 SLS","lastContentName":"相册与网盘服务 PDS","firstContentLink":"https://www.aliyun.com/product/sls?spm=5176.14443107.J_8054047280.48.4e797f4606dSR3","lastContentLink":"https://www.aliyun.com/product/storage/pds?spm=5176.14443107.J_8054047280.61.4e797f4606dSR3"}},{"infoName":"混合云存储","infoContent":{"firstContentLink":"https://www.aliyun.com/product/hgw?spm=5176.14443107.J_8054047280.96.4e797f4606dSR3","firstContentName":"混合云存储阵列 SA","lastContentName":"混合云容灾 HDR","lastContentLink":"https://www.aliyun.com/product/hdr?spm=5176.14443107.J_8054047280.108.4e797f4606dSR3"}},{"infoName":"数据迁移","infoContent":{"firstContentLink":"https://www.aliyun.com/product/mgw?spm=5176.14443107.J_8054047280.125.4e797f4606dSR3","firstContentName":"闪电立方Datatransport","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","link":"","icon":"","iconImg":"","contentLink":"https://www.aliyun.com/storage/storage","title":"存储","des":"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。","link1":"https://www.aliyun.com/storage/storage","btn1":"了解更多存储产品","link2":"","btn2":"","btn3":"","link3":"","infoGroup":[{"infoName":"基础存储","infoContent":{"firstContentName":"对象存储 OSS","firstContentLink":"https://www.aliyun.com/product/oss?spm=5176.14443107.J_8054047280.1.4e797f4606dSR3","lastContentLink":"https://www.aliyun.com/product/ots?spm=5176.14443107.J_8054047280.24.4e797f4606dSR3","lastContentName":"表格存储 Tablestore"}},{"infoName":"数据存储","infoContent":{"firstContentName":"日志服务 SLS","lastContentName":"相册与网盘服务 PDS","firstContentLink":"https://www.aliyun.com/product/sls?spm=5176.14443107.J_8054047280.48.4e797f4606dSR3","lastContentLink":"https://www.aliyun.com/product/storage/pds?spm=5176.14443107.J_8054047280.61.4e797f4606dSR3"}},{"infoName":"混合云存储","infoContent":{"firstContentLink":"https://www.aliyun.com/product/hgw?spm=5176.14443107.J_8054047280.96.4e797f4606dSR3","firstContentName":"混合云存储阵列 SA","lastContentName":"混合云容灾 HDR","lastContentLink":"https://www.aliyun.com/product/hdr?spm=5176.14443107.J_8054047280.108.4e797f4606dSR3"}},{"infoName":"数据迁移","infoContent":{"firstContentLink":"https://www.aliyun.com/product/mgw?spm=5176.14443107.J_8054047280.125.4e797f4606dSR3","firstContentName":"闪电立方Datatransport","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}

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