Abstract: Provided a management apparatus including a maintenance mode setting unit that transitions a first virtualization infrastructure (NFVI0) to a maintenance mode, a mobility control unit that at least instructs a virtualization deployment unit (VDU) on the first virtualization infrastructure in the maintenance mode to move to a second virtualization infrastructure (NFVI1), and a maintenance mode release unit that releases the maintenance mode of the first virtualization infrastructure (NFVI0).

Abstract: A system and method for dynamic halt-polling control includes a memory, one or more physical processors in communication with the memory, and a hypervisor executing on the one or more physical processors. In an example, the hypervisor enables halt-polling and disables monitoring of a guest in a virtual machine. Then, the hypervisor exposes the monitoring to the guest. In an example, the hypervisor detects a monitoring instruction executed on a virtual central processing unit (VCPU) of the virtual machine. The monitoring instruction is executed by the guest, which causes an exit to the hypervisor while the monitoring is disabled. Responsive to detecting the monitoring instruction that causes the exit to the hypervisor, the hypervisor disables the halt-polling and enables the monitoring of the guest.

Abstract: A computing device receives, from a thread of a multi-thread application, a release message. Each of the threads indicates operation(s) on a memory associated with the application. The release message indicates that a data object used by the thread is released. The device indicates that a memory slot of a data pool is unlocked permitting storage of an indication of a location of the data object in the memory. Each memory slot of the data pool is individually lockable such that a locked memory slot of the data pool indicates storing a location in the locked memory slot will not be permitted even though storing the location in an unlocked memory slot of the data pool will be permitted. The device stores, in the memory slot of the data pool, an indication of a location of the data object. The data object comprises the location of the memory slot.

Abstract: A resource assignment method, and a recording medium and a distributed processing device applying the same are provided. The resource assignment method includes: when information regarding a plurality of tasks is received from a plurality of first nodes, calculating a size of a resource necessary for each of the received plurality of tasks; and when information regarding an available resource is received from a second node, assigning one of the plurality of tasks to the available resource of the second node, based on the calculated size of the resource necessary for each task.

Abstract: Customers of a computing resource service provider may transmit requests to instantiate compute instances associated with a plurality of logical partitions. The compute instances may be executed by a server computer system associated with a particular logical partition of the plurality of logical partitions. For example, a compute service may determine a set of server computer systems that are capable of executing the compute instance based at least in part on placement information and/or a diversity constraint of the plurality of logical partitions.

Abstract: There is provided a system, comprising: a hardware processor(s) executing a code for: receiving a request to identify data for execution of action(s) in a limited allocated memory resource (LAMR) of a blockchain storage system, the LAMR defining storage space for storing data of smart contracts, when the requested data is not found in the LAMR, acquiring a cryptographic proof of the requested data from the LAMR, using the cryptographic proof for acquiring a copy of the requested data from a virtual allocated memory resource (VAMR), storing the copy of the requested data in the LAMR for performing the action(s) by the blockchain storage system using the stored copy, the performance of the action(s) updates the stored copy in the LAMR, replacing the cryptographic proof with a new cryptographic proof created by processing the updated stored copy in the LAMR, and storing the updated stored copy in the VAMR.

Abstract: A method of assigning I/O requests to CPU cores of a data storage system includes, in a first operating mode, assigning I/O requests to CPU cores based on port affinity while maintaining a current I/O completion count, and regularly performing a first test-and-switch operation that includes (i) for a sample interval, temporarily assigning the I/O requests to the CPU cores based on core availability while obtaining a sample I/O completion count, (ii) comparing the first sample I/O completion count to the current I/O completion count, and (iii) based on the sample I/O completion count being greater than the current I/O completion count, switching to a second operating mode. In the second operating mode, I/O requests are assigned to the CPU cores based on core availability, and similar operations are performed for periodically testing whether to switch to the first operating mode.

Abstract: A priority-based resource allocation method, includes accepting a resource application submitted by a job, the resource application including resource demand information and job priority information; determining, according to the resource demand information of the resource application, whether remaining resources of a system meet the resource application, and traversing, in an allocated resource application queue when the remaining resources do not meet the resource application, allocated resource applications having job priorities lower than that of the resource application; using the sum of system resources occupied by all traversed resource applications plus the remaining resources as available resources; and stopping traversing when the available resources meet the resource application, and allocating the available resources to the resource application.

Abstract: A service scheduling method, including: obtaining scheduling information of multiple services deployed on a network device; generating scheduling logic according to the scheduling information, invoking, according to the generated scheduling logic, each processing module to process a packet received by the network device, and invoking, according to the scheduling point information of each service, a corresponding service at a scheduling point of each service. Accordingly, the embodiments of the present invention also provide a service scheduling apparatus and a network device.

Abstract: An operating system interface, responsive to detecting a non-privileged thread request with a scheduling attribute set to a critical setting to request access to at least one privileged core, selectively schedules the non-privileged thread request into a privileged core queue associated with the at least one privileged core only when a resource availability of the at least one privileged class core meets a threshold level of availability, the at least one privileged core providing a higher throughput than at least one regular core. The operating system interface, responsive to detecting a privileged thread request with the scheduling attribute set to the critical setting, automatically scheduling the privileged thread request into the privileged core queue.

Abstract: A microprocessor system (1) includes a host processor (2), a graphics processing unit (GPU) (3) that includes a number of processing cores (4), and an exception handler. When a thread that is executing on a processing core (4) encounters an exception in its instruction sequence, the thread is redirected to the exception handler. However, the exception event is also communicated to a task manager (5) of the GPU 3. The task manager (5) then broadcasts a cause exception message to each processing core (4). Each processing core then identifies the threads that it is currently executing that the cause exception message relates to, and redirects those threads to the exception handler. In this way, an exception caused by a single thread is broadcast to all threads within a task.

Abstract: Application relationships may be categorized and managed at a service layer, such as creating application relationship, updating application relationship, retrieving application relationship, deleting application relationship, or discovering application relationship. Services may be based on application relationship awareness.

Abstract: A method and apparatus for starting a virtual machine. A specific implementation of the method comprises: acquiring, by a physical machine, a mirror image file required for starting a to-be-started target virtual machine from a distributed block storage system, in response to an entered instruction to start the target virtual machine; and starting the target virtual machine by using the mirror image file. The mirror image file required for starting the virtual machine is stored in the cloud-based distributed block storage system, and a virtual disk is mapped to the physical machine. When the physical machine needs to start the virtual machine, the mirror image file required for starting the virtual machine is acquired from the cloud-based distributed block storage system by reading the virtual disk.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for changing virtual machine user interfaces. One of the methods includes receiving a first request from a first client device to initiate a first remote session, detecting, for the first remote session, a first display property of the first client device in response to receiving the first request, configuring, for the first remote session, a virtual display device for the virtual machine to be a display device having the first display property, receiving a second request from a second client device to initiate a second remote session, detecting, for the second remote session, a second display property of the second client device in response to receiving the second request, and configuring, for the second remote session, the virtual display device for the virtual machine to be a display device having the second display property.

Abstract: The present disclosure provides systems and methods for domain decomposition in parallel numerical computer modelling that remove the need for large-scale synchronization, decouple the regions within a simulation, and reduces wait times, increasing linear scalability and thus suitability for large-scale cloud deployment. Presently disclosed systems and methods include asynchronous message passing which decouples the computational units within the system and introduces an elasticity that allows wait time to be largely eliminated. Applications include domains in which computations are not easily parallelized and/or large-scale numerical simulations used with a large cluster or cloud computing facility.

Abstract: A server includes a hardware platform, a hypervisor platform, and at least one virtual machine operating as an independent guest computing device. The hypervisor includes a memory facilitator, at least one hardware emulator, and an emulator manager. The memory facilitator provides memory for a virtual machine, with the memory having state data associated therewith at a current location within the virtual machine. The at least one hardware emulator provides at least one set of hardware resources for the virtual machine, with the at least one set of hardware resources having state data associated therewith at the current location within the virtual machine. The emulator manager coordinates transfer of the respective state data from the current location to a different location, and tracks progress of the transfer of the respective state data to the different location.

Abstract: One or more embodiments provide techniques for migrating a virtualized computing instance between source and destination virtualized computing systems. A migration assist agent creates a content based read cache (CBRC), which generates one or more digest files. Each of the one or more digest files corresponds to a container file. The migration assist agent transmits CBRC metadata and the one or more digest files to the destination virtualized computing system. The migration assist agent transmits one or more pages belonging to the CBRC to the destination virtualized computing system. For each container file, the migration assist agent references the digest file corresponding to the container file with the CBRC to determine if a hash value is in the CBRC. Responsive to determining that the hash value in the digest file is in the CBRC, the migration assist agent marks the container file as complete.

Abstract: Disclosed by the present invention are a running method for an embedded type virtual device and a system, an embedded type device being divided into a managing process, a plurality of real-time modules and a plurality of non-real-time modules. The managing process reading a configuration file, loading real-time and non-real-time module libraries of each processor and completing initialization interaction by means of a virtual controller area network (CAN) bus and first in, first out (FIFO) communication. The managing process starting a real-time thread and serially scheduling real-time task according to a task period setting relation. The managing process starting a plurality of non-real-time threads, calling a period task of a non-real-time module and carrying out parallel communication with a plurality of debugging clients. The real-time modules exchange data with each other by means of a virtual data bus, and the real-time modules exchange data with the non-real-time modules by means of a sharing memory.

Abstract: There is provided an information processing device including a selection unit configured to, on the basis of first identification information included in a processing instruction and corresponding to a service, and first association information in which the first identification information is associated with second identification information for identifying an application, select an application to perform the service corresponding to the processing instruction, and an execution unit configured to cause the selected application to perform a process in accordance with the processing instruction.

Abstract: Examples provided herein describe a system and method for migrating virtual machines. For example, a target hypervisor of a target device may determine whether bandwidth exists on the target device to migrate a source set of virtual machines from a source device. The target hypervisor may determine whether bandwidth exists by: determining whether a source total amount of bandwidth is less than an available target total amount of bandwidth on the target set of host bus adaptors; and, responsive to determining that the source total amount of bandwidth is less than the available target total amount of bandwidth, moving a first target virtual host bus adaptor of the target set of virtual machines across the target set of host bus adaptors to make available the source total amount of bandwidth to migrate the source set of virtual machines. Responsive to determining that the source total amount of bandwidth exists, the source set of virtual machines may be migrated to the target device.