Explain the role of hypervisors in virtualization. What are the differences between Type 1 and Type 2 hypervisors, and when would you choose one over the other?
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Explain the role of hypervisors in virtualization. What are the differences between Type 1 and Type 2 hypervisors, and when would you choose one over the other?
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- Explain the differences between partitions and layers.Explain the concept of thread pooling and how it can optimize multithreading in a server application.Assignment description: When an operating system has been running for a while without reboot, and more it keeps allocating and de- allocating pages, the quicker the memory becomes fragmented. And the kernel may not always be able to defragment enough memory for a requested size on time. If that happens, applications may not be able to allocate larger contiguous chunks of memory even though there is enough free memory available. Being a system admin and considering the following scenario, discuss the current proposed solutions to solve the problem caused in this case and critically analyze the performance of the proposed solutions to solve the problem. Provide a report considering the following outlines. Scenario: In the following snapshot of running operating system, we can see that there is a free memory space equal to (55 KB). Assume that new process (process#07) needs to be run inside the memory and required 50 KB but the memory (fragment) is not contiguous. Assigned Space Assigned…
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- Explain the concept of thread pooling in multithreading. How does it improve performance, and what are the best practices for implementing thread pooling in a multi-threaded application?Conduct a research on Relocateble Partitions, your report must address the following: What are relocatable partitions and how is memory managed in this scheme? What problem/s from an existing Scheme are they solving? What are the advantages and the disadvantages of Relocateble Partitions? Is there anything else you found interesting about this scheme?Facts: Facts about Deadlock Deadlock is a situation that occurs in OS when any process enters a waiting state because another waiting process is holding the demanded resource. Deadlock is a common problem in multi-processing where several processes share a specific type of mutually exclusive resource known as a soft lock or software. Deadlock is a situation where a process or a set of processes is blocked, waiting for some other resource that is held by some other waiting process. It is an undesirable state of the system. The following are the four conditions that must hold simultaneously (Links to an external site.) for a deadlock to occur. Mutual Exclusion –A resource can be used by only one process at a time. If another process requests for that resource then the requesting process must be delayed until the resource has been released. Hold and wait –Some processes must be holding some resources in nonshareable mode and at the same time must be waiting to acquire some more…