Logging, Scaling, and High Availability Flashcards

Question	Answer
How does one access application logs?	TBD
What are the components of the Loggregator system?	TBD
How does one manually scale an application?	TBD
What are the 4 levels of high-availability provided by PCF?	TBD
What is the difference between scaling up and scaling out?	TBD
Which of the following are NOT one of the fundamental changes impacting cloud application design and delivery?	Monolithic architecture
Which of the following is NOT one of four levels of high-availability provided by PCF?	Monit process restarts failed application instances
What is the difference between scaling up and scaling out?	Scale up increases the disk space or memory limit of all instances of an application. Scale out increases the number of instances of an application.
Which component of the Elastic runtime exposes an API for users to manage applications?	Cloud controller
What are the components of the Loggregator system?	Metron, doppler, traffic controller, firehose, nozzles
How are logs handled in a twelve-factor app?	As event streams
Where should you write your application logs?	Standard out and standard error
How do you access application logs?	cf logs APP_NAME
Garden is an interface with many implementations, true or false?	True
What cf command can help you tell if your applications has been crashing?	cf events

Resource summary

	Created by Trey Brown about 7 years ago