Database-exporter发布 感谢wucharles,一个充满Geek精神的小伙。
1.supports export database from each other. (you need write driver by yourself,now support oracle an[......]
Author: admin
Recent MySQL performance Test detial
最近team基于mysql的性能基准测试,包含多种场景[……]
ASM memory fragment problem in 11gR2 RAC
前天处理了一启RAC ASM 内存泄露问题，系统为公司最后一套RAC one node 版本为11.2.0.3
这套核心RAC one node系统出现大量 log file switch buffer busy waits等待,并伴随大量cursor: pin S wait on X re[……]
Advanced use of dbms_stats for extended stats of CG
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MyAWR another mysql awr –That is Great !!
MyAWR 开源了,第一版的reference 已经放出, tx to noodba
MyAWR_Reference_Guid
slideshare地址：MyAWR (awr of MySQL)
MyAWR template：MySQL WorkLoad Report[……]
How to control CF calculation
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[......]
MySQL AWR – Myawr
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].[......]
Optimizer in Oracle 11g by wwf.
By wwf from ebay COC about Optimizer in Oracle 11g.
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