摘要:作为distributed tracing的基石的paper 大部分内容,https://logz.io/blog/distributed-tracing-dapper-jaeger/ 这个blog已经包含了 Dapper针对的场景,google作为搜索引擎,应对大量的网络请求,一个请求会通过rpc
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摘要:要解决的问题就是对于云原生数据库,越来越大的meta应该怎么管理 传统的数据库,都是将catalog存在系统表里面 大数据系统,比如Colossus将meta存在Big table里面;Hadoop生态有Hive metastore Delta lake用事务log的方式来记录meta 并且对于AP
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摘要:INTRODUCTION The Needs of IoT systems 正对IoT系统的以下4点需求,高吞吐,有效存储,实时查询和高可用,当前的系统无法比较好的解决。 With the rapid proliferation(rapid increase in numbers) of conne
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摘要:Introduction 传统的服务是正对本地服务器和本地磁盘设计的,所以在迁移到cloud上的时候会存储不匹配的问题 尤其对于分布式数据系统,传统的方式是他们都需要自己管理local的磁盘 在云上的方案是,云存储服务被封装成块存储或文件存储,让系统可以按照原来的方式访问。 Infrastructu
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摘要:INTRODUCTION The problem of finding a good join order is one of the most studied problems in the database field. Figure 1 illustrates the classical, c
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摘要:Introduction 引入Shared-nothing架构 Shared-nothing architectures have been the foundation of traditional query execution engines and data warehousing syst
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摘要:这篇文章,主体在说,如何降低训练的代价 从两个方面,降低training set大小,降低单个训练样本的label的收集成本 ABSTRACT (现状)Today's query optimizers use fast selectivity estimation techniques but ar
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摘要:摘要 (点题)Query optimizers depend on selectivity estimates of query predicates to produce a good execution plan. (当前的方案)When a query contains multiple pr
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摘要:INTRODUCTION Managing large data sets has always been the raison d’ˆetre (a French expression commonly used in English, meaning "reason for being" or
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摘要:INTRODUCTION (Disk-oriented数据库的问题,维护buffer pool)DBMSs invariably(always) maintain a buffer pool of blocks in main memory for faster access. When an ex
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摘要:ABSTRACT (点题)A new class of database management systems (DBMSs) called NewSQL tout(吹捧) their ability to scale modern on-line transaction processing (O
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摘要:ABSTRACT (点题)Multi-version concurrency control (MVCC) is currently the most popular transaction management scheme in modern database management system
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摘要:摘要 Hybrid Transactional and Analytical Processing (HTAP) databases require processing transactional and analytical queries in isolation to remove the
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摘要:摘要 We live in the golden age of distributed computing. (背景,云平台和Saas)Public cloud platforms now offer virtually unlimited compute and storage resources
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