Microsoft Technology Licensing, LLC

Peilin Hao

Akshay Navneetlal Mutha

Marc Keith Windle

Eric Phillip Rodriguez

Hao Zuo

Systems and methods for monitoring health of virtual machines (VMs) include determining a leader virtual machine (VM) count for a group of VM nodes hosted on a plurality of computing devices; selecting a number of the VM nodes of the group to serve as leader VMs for the group, the number of the VM nodes selected corresponding to the leader VM count; and periodically performing a peer VM monitoring process. The peer VM monitoring process includes periodically storing health information for each of the VM nodes of the group in a data store; periodically accessing the health information of each of the VM nodes to identify sick VMs using each of the leader VMs, respectively; and automatically performing a healing process on the sick VMs to improve a performance of the sick VMs.

Peer virtual machine monitoring and auto-healing system

A data processing system for determining a capacity of a server farm implements determining a first operating parameter indicative of a utilization status of a server farm comprising a plurality of virtual machines; determining that the first operating parameter falls within a first range of operating values in which capacity testing of the server farm is performed; capacity testing the server farm to determine a capacity estimate by iteratively configuring a virtual machine of the plurality of virtual machines operating in an active state to operate in a sleep state until the first operating parameter reaches an upper threshold associated with the first range of operating values and monitoring performance of the plurality of virtual machines; modifying configuration parameters of the server farm to adjust an amount of available computing capacity based on the capacity estimate; and operating the server farm based on the updated configuration parameters.

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Issaquah, WA, United States of America

Peilin Hao