We can use iopp tool to monitor process io performance
download from github : https://github.com/markwkm/iopp
pid: The process id. rchar: The num[......]
Category: system
Design for “seckilling ” on MySQL
Today I read a nice article , which give a new design for mysql database . In this article , Author (Mr.lou) uses OneSQL (a branch of MySQL) for the[……]
小型机迁移x86平台之老生常谈
You can view this presentation click here: x86_architect
注意使用chrome打开文件 不然可能乱码[……]
linux tools part 9– Monitoring system performance
淘宝的开源监控工具 –同事推荐安装测下来非常不错 可以配合zabbix进行数据的采集
[mysql@mysqldb tmp]$ tsar Time ---cpu-- ---mem-- ---tc[......]
IBM will support Flash In DIMM using MCS
The next generation of IBM’s X-series servers will be able to accommodate solid-state Flash drives clipped into their DIMM memory slots, potentially i[……]
团队合照一张
闲聊,闲扯
一个月没写blog了,不想在10月打破连续每月blog的传统,那就说一说1号店今年的IT发展吧,纯属闲扯。
首先rdbms数据库方面,继续坚持之前制定的方针,大量的oracle转向的mysql（mysql在oracle接手之后,稳定性确实得到了极大的提高,innodb的并发能力提升[……]
How to use Flash Cache on Redhat (not OEL)
linux tools part 8– Monitoring Reads and Writes to a File and device
1.配合使用systemtap 监控系统对于文件的读写：
[root@db-42 systemtap]# uname -a Linux db-42 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010 x86_64 x86_64 x86_64 GN[......]
linux tools part 7– Monitor socket activity
systemtap发行版本提供了socktop,用于监控socket套接字之间的通信,具体如下：
[root@db-42 ~]# socktop -h USAGE: socktop [-d] [-i interval] [-N num] [-P protocol]... [-f family].[......]