PERSISTENT APPLICATION ACTIVATION AND TIMER NOTIFICATIONS
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Accused Products
Abstract
The present invention extends to methods, systems, and computer program products for persistent application activation and timer notifications. A durable instance manager, instance execution hosts, and an instance store interoperate to transition instances between executing and persisted states. System properties are associated with an instance. System properties can define re-activation conditions, that when satisfied, indicate that an instance is to be re-activated for execution. System properties can define timers as well as indications that instances are in a persisted but ready to run state.
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Citations
42 Claims
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1-22. -22. (canceled)
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23. A system comprising memory operatively coupled to one or more processors, the memory storing instructions that perform the method of:
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receiving, from a first instance execution host, a request to persist an application instance; tracking a state of the application instance from executing to persisted; determining that the application instance is to be running; sending an activation event to a second instance execution host; and tracking the state of the application instance from persisted to executing. - View Dependent Claims (24, 25, 26, 28, 29)
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27. The system of 23, further comprising:
receiving a load command to execute the first application instance.
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30. A computer readable storage device storing instructions that, when executed, are capable of performing the method of:
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receiving, from a first instance execution host, a request to persist an application instance; tracking the state of the application instance from executing to persisted; determining that the application instance is to be running; sending an activation event to a second instance execution host; and tracking the state of the application instance from persisted to executing.
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31. The computer readable storage device 30, wherein the activation event is triggered by a re-activation condition selected from the group consisting of a timer, a graceful shutdown, and a detected failure.
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32. The computer readable storage device 30, wherein the application instance represents a portion of an application.
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33. The computer readable storage device 30, further comprising:
prior to persisting the application instance, the first execution host being gracefully shutdown.
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34. The computer readable storage device 30, further comprising:
receiving a load command to execute the first application instance.
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35. The computer readable storage device 30, wherein the first execution host and the second execution host are communicatively connected via a network.
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36. The computer readable storage device 30, wherein the network is the Internet.
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37. A computer implemented method comprising:
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receiving, from a first instance execution host, a request to persist an application instance; tracking the state of the application instance from executing to persisted; determining that the application instance is to be running; sending an activation event to a second instance execution host; and tracking the state of the application instance from persisted to executing. - View Dependent Claims (38, 39, 40, 41, 42)
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Specification