https://github.com/LucaCanali?tab=repositories https://github.com/LucaCanali/Linux_tracing_scripts/tree/master/SystemTap_Linux_IO…

  Definitions A trace file is a file that contains diagnostic data used to investigate problems. Also, trace files can provide guidance for tuning applications or an instance.   Types of Trace Files Each server and background process can periodically…

Luca Canali on 21 Jan 2016 Topic: this post is about Linux perf and uprobes for tracing and profiling Oracle workloads for advanced troubleshooting. Context The recent progress and maturity of some of the Linux dynamic tracing tools has raised intere…

开启dblink的 oracle net trace/tracing --对dblink进行跟踪的方法. 參考原文: DBLINK: How to Enable Oracle Net Tracing for Database links (Doc ID 746917.1) 适用于: Oracle Net Services - Version 9.2.0.1.0 to 11.2.0.3 [Release 9.2 to 11.2] Information in this document appli…

配置oracle的ssl连接   网上也没有中文资料,我硬着头皮看官方文档肯完,终于配置成功,下面是我配置步骤 配置安全套接层连接oracle 目录 1.        配置简介        1 2.        使用Wallet Manager创建Wallet和生成认证请求        2 2.1.        创建Wallet        2 2.2.        创建认证请求        2 2.3.        导出证书请求        3 2.4.        保存…

https://db-blog.web.cern.ch/blog/luca-canali/2014-12-life-oracle-io-tracing-logical-and-physical-io-systemtap Luca Canali on 01 Dec 2014 Topic: This post is about tracing logical and physical reads in Oracle using SystemTap. You find here a few examp…

Luca Canali on 26 May 2016 Topic: In this post you will find a short discussion and pointers to the code of a few sample scripts that I have written using Linux BPF/bcc and uprobes for Oracle tracing. Previous work and motivations Tools for dynamic t…

https://mahmoudhatem.wordpress.com/2016/11/07/tracing-memory-access-of-an-oracle-process-intel-pintools/ November 7, 2016 Mahmoud Hatem troubleshoting This blog post is motivated by a conversation with Frits Hoogland on his great blog post The curiou…

[IT168 技术]本文根据吕海波2018年5月11日在[第九届中国数据库技术大会]上的演讲内容整理而成. 讲师介绍: 吕海波,美创科技研究员,ITPUB管理版版主.出版技术书籍<Oracle内核技术揭密>,曾参加过两届数据库大会.IT老兵,22年IT领域从业经历,十数年数据库经验,惯看IT江湖风起云涌.曾在多家巨头型互联网公司(阿里.ebay.京东)从事数据库管理.数据架构.运维自动化工作.目前主要研究数据安全.敏捷运维等方向. 内容摘要: 时间都去哪儿了?这是性能调优时大家最爱问的问题.比…

http://www.hhutzler.de/blog/using-dtrace/ https://docs.oracle.com/cd/E53394_01/html/E53395/gkyaz.html…