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[......]
linux tools part 9– Monitoring system performance
April 25, 2014 linux, system No comments
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[……]
闲聊,闲扯
October 30, 2013 system No comments life
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)
August 26, 2013 Architect, hardware, linux, system No comments 11g new feature
linux tools part 8– Monitoring Reads and Writes to a File and device
May 13, 2013 linux, system No comments linux tools
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
April 23, 2013 linux, system No comments linux tools
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].[......]
gdb 调试TPCC 一例
March 19, 2013 linux, system No comments trouble shooting
TPCC对mysql 5.5.27做一次性能测试时遭遇 Segmentation fault,gdb调试记录之:
[root@db-81 ~]# uname -a Linux db-81 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010[......]
linux tools part 6– network Monitoring (2)
March 19, 2013 linux, system No comments linux tools
linux tools part 5– Trace network information
March 13, 2013 linux, system No comments linux tools
Nmap (“Network Mapper”) is an open source tool for network exploration and security auditing. It was designed to rapidly scan large networks, although[……]