Amazon Patent Applications

DATACENTER POWER MANAGEMENT OPTIMIZATIONS

Granted: May 18, 2017
Application Number: 20170139462
Methods and apparatus for datacenter power management optimization are disclosed. Metrics, including workload data, thermal measurements and the like are collected from numerous endpoints within a datacenter. System profiles of a plurality of servers, and application workload profiles for various workloads, are stored. Based on analysis of collected metrics, power optimization operations comprising either workload scheduling operations, power configuration change operations, or both, are…

VERSIONING OF DATABASE PARTITION MAPS

Granted: May 18, 2017
Application Number: 20170139910
System and methods for managing versions of partition maps in a distributed data store are disclosed. A relational database may use partition maps to indicate the location of data in a particular partition, or in a replica thereof. These partition maps may be versioned using a two-stage mechanism in which partition map updates are communicated to all nodes, or to affected nodes only, and in which operation may continue without waiting for acknowledgment of their application to each node.…

DEDICATED ENDPOINTS FOR NETWORK-ACCESSIBLE SERVICES

Granted: May 18, 2017
Application Number: 20170141958
Methods and apparatus for dedicated endpoint instances for network-accessible services are disclosed. The number of dedicated endpoint instances to be established to direct work requests of a given client to back-end nodes of a service may be determined. Configuration policies for the instances, including one or more policies related to caching, authentication, redundancy, durability, availability, and/or load balancing, may also be determined. Configuration of the instances may be…

LOG-STRUCTURED DISTRIBUTED STORAGE USING A SINGLE LOG SEQUENCE NUMBER SPACE

Granted: May 11, 2017
Application Number: 20170132091
A distributed database system may implement log-structured distributed storage using a single log sequence number space. A log for a data volume may be maintained in a log-structured distributed storage system. The log may be segmented across multiple protection groups according to a partitioning of user data for the data volume. Updates to the log may be assigned a log sequence number from a log sequence number space for the data volume. A protection group may be determined for an…

VISUAL TASK FEEDBACK FOR WORKSTATIONS IN MATERIALS HANDLING FACILITIES

Granted: May 11, 2017
Application Number: 20170132460
Visual task feedback for workstations in a materials handling facility may be implemented. Image data of a workstation surface may be obtained from image sensors. The image data may be evaluated with regard to the performance of an item-handling task at the workstation. The evaluation of the image data may identify items located on the workstation surface, determine a current state of the item-handling task, or recognize an agent gesture at the workstation. Based, at least in part on the…

APPLICATION-SPECIFIC VIRTUALIZED GRAPHICS PROCESSING

Granted: May 11, 2017
Application Number: 20170132744
Methods, systems, and computer-readable media for application-specific virtualized graphics processing are disclosed. A virtual compute instance is provisioned from a provider network. The provider network comprises a plurality of computing devices configured to implement a plurality of virtual compute instances with multi-tenancy. A virtual GPU is attached to the virtual compute instance. The virtual GPU is selected based at least in part on requirements of an application. The virtual…

LOCAL-TO-REMOTE MIGRATION FOR VIRTUALIZED GRAPHICS PROCESSING

Granted: May 11, 2017
Application Number: 20170132745
Methods, systems, and computer-readable media for local-to-remote migration for virtualized graphics processing are disclosed. A virtual compute instance comprising a local GPU is provisioned from a provider network. The provider network comprises a plurality of computing devices configured to implement a plurality of virtual compute instances with multi-tenancy. A virtual GPU is attached to the virtual compute instance. The virtual GPU is implemented using a physical GPU, and the…

PLACEMENT OPTIMIZATION FOR VIRTUALIZED GRAPHICS PROCESSING

Granted: May 11, 2017
Application Number: 20170132746
Methods, systems, and computer-readable media for placement optimization for virtualized graphics processing are disclosed. A provider network comprises a plurality of instance locations for physical compute instances and a plurality of graphics processing unit (GPU) locations for physical GPUs. A GPU location for a physical GPU or an instance location for a physical compute instance is selected in the provider network. The GPU location or instance location is selected based at least in…

SCALING FOR VIRTUALIZED GRAPHICS PROCESSING

Granted: May 11, 2017
Application Number: 20170132747
Methods, systems, and computer-readable media for scaling for virtualized graphics processing are disclosed. A first virtual GPU is attached to a virtual compute instance of a provider network. The provider network comprises a plurality of computing devices configured to implement a plurality of virtual compute instances with multi-tenancy. The first virtual GPU is replaced by a second virtual GPU based at least in part on a change in GPU requirements for the virtual compute instance.…

EQUITABLE DISTRIBUTION OF EXCESS SHARED-RESOURCE THROUGHPUT CAPACITY

Granted: May 11, 2017
Application Number: 20170134289
Methods and apparatus for equitable distribution of excess shared-resource throughput capacity are disclosed. A first and a second work target are configured to access a shared resource to implement accepted work requests. Admission control is managed at the work targets using respective token buckets. A first metric indicative of the work request arrival rates at the work targets during a time interval, and a second metric associated with the provisioned capacities of the work targets…

HARD DISK DRIVE ASSEMBLY WITH FIELD-SEPARABLE MECHANICAL MODULE AND DRIVE CONTROL

Granted: April 20, 2017
Application Number: 20170110157
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…

Rack-Mounted Fire Suppression System

Granted: March 30, 2017
Application Number: 20170087394
A data center includes a plurality of racks on a floor and one or more fire suppression systems coupled to at least some of the racks. The fire suppression systems include reservoirs mounted on the racks, a fire suppression material in the reservoir, and one or more material dispensing devices coupled to the reservoir. The material dispensing devices may dispense fire suppression material onto or into the racks in response to a fire condition.

INDEX STRUCTURE NAVIGATION USING PAGE VERSIONS FOR READ-ONLY NODES

Granted: March 30, 2017
Application Number: 20170091226
Read-only nodes of a distributed database system may implement index structure navigation using page versions. A read request may be received at a read only node of a distributed database for select data. Data pages linked together to form an index structure for data stored for the distributed database may be navigated according to versions maintained for the data pages in order to identify one or more locations to access for the select data. One or more prior versions of data pages may…

STATELESS DATASTORE-INDEPENDENT TRANSACTIONS

Granted: March 30, 2017
Application Number: 20170091227
At a client-side component of a storage group, a read descriptor generated in response to a read request directed to a first data store is received. The read descriptor includes a state transition indicator corresponding to a write that has been applied at the first data store. A write descriptor indicative of a write that depends on a result of the read request is generated at the client-side component. The read descriptor and the write descriptor are included in a commit request for a…

Network-Based Resource Configuration Discovery Service

Granted: March 30, 2017
Application Number: 20170093640
A network-based discovery system and service are disclosed that provide client discovery services to a number of clients over a network. The network-based discovery system includes a database that stores discovery information of client network-based resource configurations. The discovery information may be obtained from client resources by client-side discovery components that are placed on client resources, obtain the discovery information and that send the information to the discovery…

WORKFLOW SERVICE USING STATE TRANSFER

Granted: March 30, 2017
Application Number: 20170093988
A provider network for providing continuous workflow service for an open-ended number of workflows using non-persistent threads. In some cases, the provider network includes a workflow handling service and a workflow evaluation service. The workflow handling service may receive indications of task completion events related to respective workflows, and in turn may send non-blocking requests for workflow decisions from the workflow evaluation service. In generating a workflow decision, the…

COOLING SYSTEM WITH DESICCANT DEHUMIDIFICATION

Granted: March 30, 2017
Application Number: 20170094841
A system for removing heat from electrical systems includes a dehumidification device including a desiccant, an evaporative cooling device, air moving devices, and an air flow control devices. The air moving device moves air through the dehumidification device, the evaporative cooling device, and the electrical systems. The air flow control device controls a rate of flow through the dehumidification device.

CONNECTION-BASED RESOURCE MANAGEMENT FOR VIRTUAL DESKTOP INSTANCES

Granted: March 23, 2017
Application Number: 20170083354
A computing system that provides virtual computing services may generate and manage remote computing sessions between client computing devices and virtual desktop instances hosted on the service provider's network. A computing resource instance manager may monitor connections to and disconnections from a virtual desktop instance during particular time periods, and may apply a resource management policy to determine whether and when to shut down an underlying virtualized computing…

DATABASE SYSTEM WITH DATABASE ENGINE AND SEPARATE DISTRIBUTED STORAGE SERVICE

Granted: March 23, 2017
Application Number: 20170083565
A database system may include a database service and a separate distributed storage service. The database service (or a database engine head node thereof) may be responsible for query parsing, optimization, and execution, transactionality, and consistency, while the storage service may be responsible for generating data pages from redo log records and for durability of those data pages. For example, in response to a write request directed to a particular data page, the database engine…

GENERATING MESSAGE ENVELOPES FOR HETEROGENEOUS EVENTS

Granted: March 23, 2017
Application Number: 20170085512
Methods, systems, and computer-readable media for generating message envelopes for heterogeneous events are disclosed. A plurality of events are received. The events are associated with computing resources in a multi-tenant environment. The events comprise an event formatted using a content schema and a different event formatted using a different content schema. A message is generated comprising a message envelope and the event. The message envelope comprises a plurality of field names…