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In computing, virtual machine introspection (VMI) is a technique "for monitoring the runtime state of a system-level virtual machine (VM)", which is helpful for debugging or forensic analysis. [1] [2] The term introspection in application to the virtual machines was introduced by Garfinkel and Rosenblum. [3]
The Rain Bird horizontal action impact-drive sprinkler head was recognized as a historic landmark of agricultural engineering in 1990 by the American Society of Agricultural and Biological Engineers. [3] This invention led to sprinkler irrigation development that currently exceeds 50,000,000 acres (78,000 sq mi; 200,000 km 2) worldwide.
In computer programming jargon, a heisenbug is a software bug that seems to disappear or alter its behavior when one attempts to study it. [1] The term is a pun on the name of Werner Heisenberg, the physicist who first asserted the observer effect of quantum mechanics, which states that the act of observing a system inevitably alters its state.
In computer science, a heartbeat is a periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a computer system. [1] [2] Heartbeat mechanism is one of the common techniques in mission critical systems for providing high availability and fault tolerance of network services by detecting the network or systems failures of nodes or daemons ...
The get_next_message() routine is typically provided by the operating system, and blocks until a message is available. Thus, the loop is only entered when there is something to process. function main initialize() while message != quit message := get_next_message() process_message(message) end while end function
Virtual machine lifecycle management is the class of management that looks at the life cycle of a virtual machine from the viewpoint of the application vs one focused on roles within an organization. A number of major software vendors, including Microsoft and Novell , have begun to release software products aiming at simplifying the ...