Identifying performance bottlenecks in a cloud
summary
Coverage of tools and techniques for benchmarking and diagnosing performance issues in cloud/container environments using tcpdump, perf and sar. Explains how to categorize different classes of performance bugs and presents quick remediation tricks for some common bottlenecks.
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chapters (14)
- 0:00Start
- 9:20PCP data for containers
- 10:37Example of tcpdump in action -To see the network speed while the problem was seen
- 12:18Generic approach to debug a container app -Wrapper shell script for your application
- 13:04Creating dockerfile for our own image for debugging
- 13:51Spawn the Container
- 14:43Capture the container's network traffic
- 21:56Regression in performance in real environment • First question, did it perform better than this any time in past?
- 23:41Native performance problem
- 24:17Ltrace summary
- 24:52Running strace on a app running in a container
- 25:20Example of perf command
- 26:28Flame Graph
- 28:43What are the things you should take way from this presentation
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