Školení: SA-327-S10
Dynamic Performance Tuning and Troubleshooting With DTrace
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Podrobnosti:
The Troubleshooting to Improve Performance Using DTrace for Sys Admins course provides students with the ability to use DTrace to diagnose application and system problems.LAB INFORMATION: The hands-on labs offered in this course may involve accessing equipment that resides at a location other than where the training is delivered.Students who can benefit from this course:Experienced System Administrators and Service Support Personnel
Vstupní předpoklady:
- System Administration for the Solaris 10 Operating System, Part 2 (SA-202-S10)
- Administer the Solaris 10 Operating System
- General understanding of operating systems
- Manage system processes
- Ability to read and write scripts
Co se u nás naučíte:
- Use DTrace to find the source of intermittent problems
- Use DTrace to look at the cause of performance problems
- Use DTrace to help debug applications
- Find System problems with DTrace
- Troubleshoot DTrace script problems
Osnova:
DTrace Fundamentals
- Describe the features of DTrace
- Describe the DTrace architecture
- Overview of how DTrace works
Using DTrace
- Examining performance problems using DTrace
- Use DTrace to obtain information about system calls
- Create D Scripts
Finding System Problems with DTrace
- Use DTrace to access kernel variables
- Use DTrace to obtain information about I/O
- Use DTrace to do anonymous tracing
- Use DTrace to do speculative tracing
- Explain privileges necessary to run DTrace
Troubleshooting DTrace Problems
- Describe how to lessen performance impact of DTrace
- Describe how to use and tune DTrace buffers
- Debug DTrace scripts
The DTrace Toolkit and Case Studies
- Overview of the DTrace Toolkit
- Top 10 most useful scripts
- Case Study - Application using excessive CPU time
- Case Study - Application Throughput is Slow
