阿里云
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存储tls
存储tls
线程局部
存储tls
的使用
线程局部
存储
(Thread Local Storage,
TLS
)主要用于在多线程中,
存储
和维护一些线程相关的数据,
存储
的数据会被关联到当前线程中去,并不需要锁来维护。因此也没有多线程间资源竞争问题,那如何去实现
TLS存储
呢,主要有以下几种方式:gcc和...
线程本地
存储TLS
(Thread Local Storage)的原理和实现——分类和原理
本文为线程本地
存储TLS
系列之分类和原理。一、
TLS
简述和分类 我们知道在一个进程中,所有线程是共享同一个地址空间的。所以,如果一个变量是全局的或者是静态的,那么所有线程访问的是同一份,如果某一个线程对其进行了修改,也就会影响到...
线程局部
存储
(
TLS
)的使用
将线程的私有数据(局部
存储
的数据)共享,以供本进程中的其它线程使用。l 适用情形:线程局部
存储
适用于多线程共享数据,而又不需要同步的情形。(线程同步的开支比较大。l 原理在每个线程中有一个
存储
区域,该
存储
区域有64个slot(数据槽)...
Spark Parquet列式
存储
和行式
存储
的区别是什么?
Spark Parquet列式
存储
和行式
存储
的区别是什么?
对于数据
存储
系统来说,什么是数据
存储
系统最难的部分?
对于数据
存储
系统来说,什么是数据
存储
系统最难的部分?
【数据蒋堂】列式
存储
的另一面
列
存
是常见的数据
存储
技术,在许多场景下也确实很有效,因而也被不少数据仓库类产品采用,在业内列
存
也常常就意味着高性能。可是,列存真有这么好吗?搜索一下,容易找到的列
存
缺点一般是针对数据修改的,而对于只读的分析计算任务,却很少...
NoSQL生态系统——类似Bigtable列
存储
,或者Dynamo的key
存储
(kv
存储
如BDB,结构化...
13.2.1 基于key值
存储
的NoSQL数据模型 Key-Value
存储
Key-Value
存储
可以说是最简单的NoSQL
存储
。每个key值对应一个任意的数据值。对NoSQL 系统来说,这个任意的数据值是什么,它并不关心。比如在员工信念数据库里,exployee:30 这个key...
SNIA出台“绿色
存储
能源测量规范”
随着企业将更多的注意力放在数据中心能源使用问题上,
存储
厂商也开始重点宣传他们获得的“绿色认证”,并宣称自己的系统产品要比竞争对手的产品具有更高的能源效率。但是
存储
系统采购者很难做出自己的判断,因为目前几乎没有成文的标准来...
SNIA出台“绿色
存储
能源测量规范”
随着企业将更多的注意力放在数据中心能源使用问题上,
存储
厂商也开始重点宣传他们获得的“绿色认证”,并宣称自己的系统产品要比竞争对手的产品具有更高的能源效率。但是
存储
系统采购者很难做出自己的判断,因为目前几乎没有成文的标准来...
Infobright列式
存储
数据库
Infobright 是一个非常强大的列式
存储
数据库,基于MySQL的高效数据仓库。之所以使用数据仓库,是因为目前MySQL数据库中的数据增长很快,定期会对一些历史记录表进行清除,但后期的统计分析还会用到这些历史数据,随着数据量的增大,查询也...
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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。
了解更多存储产品
基础存储
对象存储 OSS
表格存储 Tablestore
数据存储
日志服务 SLS
相册与网盘服务 PDS
混合云存储
混合云存储阵列 SA
混合云容灾 HDR
数据迁移
闪电立方Datatransport
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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。
了解更多存储产品
基础存储
对象存储 OSS
表格存储 Tablestore
数据存储
日志服务 SLS
相册与网盘服务 PDS
混合云存储
混合云存储阵列 SA
混合云容灾 HDR
数据迁移
闪电立方Datatransport