摘要:
Embodiments of the present disclosure are directed to, among other things, managing inventory indexing of one or more data storage devices. In some examples, a storage service may store an index associated with archived data. Additionally, the storage service may receive information associated with an operation performed on the archived data. The storage service may also partition the received information into subsets corresponding to an identifier. In some cases, the identifier may be received with or otherwise be part of the received information. The storage service may also retrieve at least a portion of the index that corresponds to the subset. Further, the storage service may update the retrieved portion of the index with at least part of the received information. The updating may be based at least in part on the subsets.
摘要:
A system for storing data includes a rack, one or more data storage drive assemblies coupled to the rack, and a data control module coupled to the rack. The data storage drive assemblies include one or more drive mechanical modules configured to store data and one or more drive control modules coupled to the drive mechanical modules. The drive control modules control mechanical operations in the drive mechanical modules. The drive mechanical modules and the associated drive control modules are separable from one another without removing the other module from the at least one data storage drive assembly.
摘要:
Techniques for optimizing data storage are disclosed herein. In particular, methods and systems for implementing redundancy encoding schemes with data storage systems are described. The redundancy encoding schemes may be scheduled according to system and data characteristics. The schemes may span multiple tiers or layers of a storage system. The schemes may be generated, for example, in accordance with a transaction rate requirement, a data durability requirement or in the context of the age of the stored data. The schemes may be designed to rectify entropy-related effects upon data storage. The schemes may include one or more erasure codes or erasure coding schemes. Additionally, methods and systems for improving and/or accounting for failure correlation of various components of the storage system, including that of storage devices such as hard disk drives, are described.
摘要:
A method of accessing a first computing device from a second computing device using a remote desktop service is disclosed. The first and second device register are authenticated and registered with a remote access gateway. In some embodiments, the remote access gateway stores a copy of the first computer and changes made to the copy are synchronized with the actual first computer when it access the remote access gateway. A virtual operating system experience on the second computer is virtually the same as the real operating system experience on the first computer.
摘要:
A method for transmitting records of changes to data from a production location to a storage location is provided. The method stores in a log, records of changes to data stored at a production location. Those records are transmitted and a transmitted records checkpoint is generated that is transmitted at the end of the transmitted records. A records checkpoint confirmation is received and the plurality of transmitted records are purged from the log.
摘要:
Methods and systems for generating free viewpoint video using an active infrared (IR) stereo module are provided. The method includes computing a depth map for a scene using an active IR stereo module. The depth map may be computed by projecting an IR dot pattern onto the scene, capturing stereo images from each of two or more synchronized IR cameras, detecting dots within the stereo images, computing feature descriptors corresponding to the dots in the stereo images, computing a disparity map between the stereo images, and generating the depth map using the disparity map. The method also includes generating a point cloud for the scene using the depth map, generating a mesh of the point cloud, and generating a projective texture map for the scene from the mesh of the point cloud. The method further includes generating the video for the scene using the projective texture map.
摘要:
A method for transmitting records of changes to data from a production location to a storage location is provided. The method stores in a log, records of changes to data stored at a production location. Those records are transmitted and a transmitted records checkpoint is generated that is transmitted at the end of the transmitted records. A records checkpoint confirmation is received and the plurality of transmitted records are purged from the log.
摘要:
Calculating the roundtrip delay between first and second computers due to the latency of a routing server. The first computer receives an incoming message from the second computer via the routing server. The incoming message includes incoming time information indicative of processing time at the second computer and outgoing time information indicative of a time when a first outgoing message was sent by the first computer. The first computer calculates an observed roundtrip time indicating the routing server latency for a first outgoing message and the incoming message as a function of a time when the first computer received the incoming message, the outgoing time information, and the incoming time information.
摘要:
A software components and methods are provided for implementation of a client side HTTP stack, which provide high performance and scalability. Multithreading and completion ports are employed in the client side HTTP layer in association with sockets and a thread pool, thereby providing support for business-to-business and other more recent client side applications which create numerous requests. The invention further comprises a dedicated scheduler thread adapted to activate an object scheduled to begin sending requests at a specific time, as well as a dedicated DNS thread used for resolving symbolic domain names into IP addresses. In addition, the client side HTTP stack implementation comprises a dedicated timeout thread with a list of active sockets and timers associated with each socket to allow finer grain control over socket timeout.
摘要:
Calculating the roundtrip delay between first and second computers due to the latency of a routing server. The first computer receives an incoming message from the second computer via the routing server. The incoming message includes incoming time information indicative of processing time at the second computer and outgoing time information indicative of a time when a first outgoing message was sent by the first computer. The first computer calculates an observed roundtrip time indicating the routing server latency for a first outgoing message and the incoming message as a function of a time when the first computer received the incoming message, the outgoing time information, and the incoming time information.