Using DTrace to Solve a Problem With Defunct Processes

An excellent article explains usage of DTrace tool to debug Apache problem.

FTA “…Dynamic Tracing (DTrace) is a new feature in the Solaris 10 OS that is used to better understand the system and programs run on the system. It allows you to look and see what your system is doing and locate causes of poor behavior. This is done by using the “D programming language,” which doesn’t take much programming experience to understand. In the example, I don’t even have to create any DTrace scripts as there is a package of them already made called the DTraceToolkit (by Brendan Gregg), which contains over 80 scripts“. Read complete article online.

🐧 If you liked this page, please support my work on Patreon or with a donation.
🐧 Get the latest tutorials on SysAdmin, Linux/Unix, Open Source & DevOps topics via:
CategoryList of Unix and Linux commands
File Managementcat
FirewallAlpine Awall CentOS 8 OpenSUSE RHEL 8 Ubuntu 16.04 Ubuntu 18.04 Ubuntu 20.04
Network Utilitiesdig host ip nmap
OpenVPNCentOS 7 CentOS 8 Debian 10 Debian 8/9 Ubuntu 18.04 Ubuntu 20.04
Package Managerapk apt
Processes Managementbg chroot cron disown fg jobs killall kill pidof pstree pwdx time
Searchinggrep whereis which
User Informationgroups id lastcomm last lid/libuser-lid logname members users whoami who w
WireGuard VPNAlpine CentOS 8 Debian 10 Firewall Ubuntu 20.04
0 comments… add one

Leave a Reply

Your email address will not be published. Required fields are marked *

Use HTML <pre>...</pre>, <code>...</code> and <kbd>...</kbd> for code samples.