a compromise between lock overhead and data safety
High Performance My SQL THIRD EDITION
A locking strategy is a compromise between lock overhead and data safety, and that
compromise affects performance. Most commercial database servers don’t give you
much choice: you get what is known as row-level locking in your tables, with a variety
of often complex ways to give good performance with many locks.
a compromise between lock overhead and data safety的更多相关文章
- PatentTips - Cross-domain data transfer using deferred page remapping
BACKGROUND OF THE INVENTION The present invention relates to data transfer across domains, and more ...
- Improving Lock Performance in Java--reference
After we introduced locked thread detection to Plumbr couple of months ago, we have started to recei ...
- 28 Data Race Detector 数据种类探测器:数据种类探测器手册
Data Race Detector 数据种类探测器:数据种类探测器手册 Introduction Usage Report Format Options Excluding Tests How To ...
- detect data races The cost of race detection varies by program, but for a typical program, memory usage may increase by 5-10x and execution time by 2-20x.
小结: 1. conflicting access 2.性能危害 优化 The cost of race detection varies by program, but for a typical ...
- SQL Server Lock Escalation - 锁升级
Articles Locking in Microsoft SQL Server (Part 12 – Lock Escalation) http://dba.stackexchange.com/qu ...
- Toward Scalable Systems for Big Data Analytics: A Technology Tutorial (I - III)
ABSTRACT Recent technological advancement have led to a deluge of data from distinctive domains (e.g ...
- mysql_install_db出错,Unable to lock /usr/local/mysql/var/ibdata1, error: 11
今天,在一台旧机器上编译一个新的Mysql,install时出了错: /usr/local/mysql_5615/scripts/mysql_install_db --user=mysql --bas ...
- synchronized Lock用法
在介绍Lock与synchronized时,先介绍下Lock: public interface Lock { void lock(); void lockInterruptibly() throws ...
- synchronized VS Lock, wait-notify VS Condition
最近在看Java Threads第三版,收获颇多.全英文阅读,感觉真的是爽歪歪.推荐大家都看看. 这一篇想系统的讲一讲,线程之间通信的2种模式,wait-notify 和 Condition. 先上一 ...
随机推荐
- C# 读取本地图片 转存到其他盘符
UpFileContent upfile = new UpFileContent(); upfile.StationImageName = "123.png"; FileStrea ...
- eclipse 中的 jar file 和 runnable jar file的区别
转自于:http://blog.csdn.net/lijiecong/article/details/6266234 java最难学的就是角落的东东了,不愧叫做java平台.搜索了一把总算明白了. 直 ...
- Codeforces Round #352 (Div. 2) C. Recycling Bottles 贪心
C. Recycling Bottles It was recycling day in Kekoland. To celebrate it Adil and Bera went to Centr ...
- loj 1185(bfs)
题目链接:http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=26898 思路:我们可以给定有直接边相连的两点的距离为1,那么就是求 ...
- 提高C#编程水平的50个要点
下面的文章转载于 提高C#编程水平的50个要点 1.总是用属性 (Property) 来代替可访问的数据成员 2.在 readonly 和 const 之间,优先使用 readonly 3.在 as ...
- HeapByteBuffer和DirectByteBuffer以及回收DirectByteBuffer
由于HeapByteBuffer和DirectByteBuffer类都是default类型的,所以你无法字节访问到,你只能通过ByteBuffer间接访问到它,因为JVM不想让你访问到它. 分配Hea ...
- js:语言精髓笔记1--标识符与基本类型
标识符: 命名: 语法以及类型----语法关键字 //逻辑 值(的存储位置)----变量和常量 ...
- Xamarin.Android编译CPU类型选择方式
Xamarin.Android编译CPU类型选择方式 在Xamarin.Android编译的时候,默认提供了5种CPU类型供大家选择.它们分别为armeabi.armeabi-v7a.arm64-v8 ...
- BZOJ4389 : ZYB and Trees
Link-Cut Tree维护. 每个点x维护以下信息: v:这个点的点权 s:实链上的信息和 st:子树信息和(不包括链上) sa:子树+链上的信息和 as:所有虚儿子的sa的和 则有 s[x]=v ...
- Hadoop虽然强大,但不是万能的(CSDN)
Hadoop很强大,但企业在使用Hadoop或者大数据之前,首先要明确自己的目标,再确定是否选对了工具,毕竟Hadoop不是万能的!本文中列举了几种不适合使用Hadoop的场景. 随着 Hadoop ...