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公开(公告)号：US11836359B2
公开(公告)日：2023-12-05
申请号：US16747707
申请日：2020-01-21
Applicant: Amazon Technologies, Inc.
Inventor： Christopher Magee Greenwood , Patrick E. Brennan , Mitchell Gannon Flaherty , Yilin Guo , Gary Michael Herndon, Jr. , Sriram Venugopal , Linfeng Yu , Wells Lin
CPC classification number: G06F3/0631 , G06F3/067 , G06F3/0611 , G06F3/0613 , G06F3/0647 , G06F3/0653 , G06F3/0665
Abstract: A block storage service can ensure volumes are placed in a same region as an attached virtual machine instance for performance and durability guarantees. A region can reference multiple things, but one example is that a volume is within a same spine as a virtual machine in order to meet performance guarantees. Each region can have a buffer of server computers held in reserve for volumes having a type where performance guarantees are required. If performance guarantees cannot be met, a rejection is transmitted to the customer. In another embodiment, the customer can provide a list in priority order of different volume types so that if a desired volume type cannot be placed, then alternative volume types can be used.
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公开(公告)号：US11681443B1
公开(公告)日：2023-06-20
申请号：US17006502
申请日：2020-08-28
Applicant: Amazon Technologies, Inc.
Inventor： Sriram Venugopal , Kun Tang , Norbert Paul Kusters , Jianhua Fan
CPC classification number: G06F3/0619 , G06F3/0604 , G06F3/0641 , G06F3/0644 , G06F3/0652 , G06F3/0683 , G06F11/10 , G06F2201/84
Abstract: A data storage system includes a head node and mass storage devices. The head node is configured to store volume data and flush volume data to the mass storage devices. Additionally, the head node is configured to determine a quantity of data partitions and/or parity partitions to store for a chunk of volume data being flushed to the mass storage devices in order to satisfy a durability guarantee. For chunks of data for which complete copies are also stored in an additional data storage system, the head node is configured to reduce the quantity of data partitions and/or parity partitions stored such that required storage space is reduced while still ensuring that the durability guarantee is satisfied.
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公开(公告)号：US11080092B1
公开(公告)日：2021-08-03
申请号：US16366836
申请日：2019-03-27
Applicant: Amazon Technologies, Inc.
Inventor： Yilin Guo , Christopher Magee Greenwood , Mitchell Flaherty , Sriram Venugopal , Wells Lin , Patrick E. Brennan , Linfeng Yu , Alexander R. Yee , Gary Michael Herndon
Abstract: Systems and methods are disclosed for handling requests to create multiple volumes with an expected usage correlation on a block storage service. Rather than handling each request to create a volume independently, embodiments described herein can handle the request in bulk, quickly determining whether the request as a whole can be handled at the system. In one embodiment, the service allows for oversubscription of use on hosts, as well as parallelization of placement decisions, by rejecting placement requests when a number of possible hosts for a volume within a requested set falls below a candidate set size, which is determined based on factors such as a number of requested volumes and an expected accuracy of state information for the service at a placement engine within a distributed set of engines.
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公开(公告)号：US11023535B1
公开(公告)日：2021-06-01
申请号：US15927782
申请日：2018-03-21
Applicant: Amazon Technologies, Inc.
Inventor： Christopher Magee Greenwood , Yilin Guo , Wells Lin , Mitchell Gannon Flaherty , Sriram Venugopal , Linfeng Yu , Patrick E. Brennan , Gary Michael Herndon, Jr.
IPC: G06F15/16 , G06F16/907 , G06F16/903
Abstract: A new metadata field is described that can be used with requests to store a volume in a block storage service. The metadata field is a parameter included in the request and is a logical association identifier that associates the volume to be stored with other already-stored volumes. Using this logical association identifier, the block storage service can ensure that all volumes having the same identifier are sufficiently spread across server computers. The logical association identifier can be a workload identifier indicating that the volumes are all from a same relational database, application, etc. Target customers are defined as customers that request an action of a service within a cloud environment and the service then makes a request to the block storage service. In this case, the service is a customer of the block storage service and it can pass the target customer identifier as the logical association identifier.
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公开(公告)号：US10915361B1
公开(公告)日：2021-02-09
申请号：US15967320
申请日：2018-04-30
Applicant: Amazon Technologies, Inc.
Inventor： Wells Lin , Christopher Magee Greenwood , Linfeng Yu , Sriram Venugopal , Patrick E. Brennan , Yilin Guo , Mitchell Gannon Flaherty
Abstract: A distributed system allocates capacity in response to client requests. The system monitors a rate of capacity allocation. Based on the monitored rate and on a set of parameters, the system generates a forecast of capacity available for allocation and determines a time when available capacity will fall below a threshold level. The system adjusts the parameters to cause the predicted time to align with a target time, and then causes the system to be reconfigured according to the adjusted parameters.
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Patent Agency Ranking
公开(公告)号：US10817325B2
公开(公告)日：2020-10-27
申请号：US16279980
申请日：2019-02-19
Applicant: Amazon Technologies, Inc.
Inventor： Surya Prakash Dhoolam , Mitchell Gannon Flaherty , Christopher Magee Greenwood , Gary Michael Herndon, Jr. , Rahul Karnik , Sriram Venugopal
Abstract: Data volumes hosted for customers in a multi-tenant environment can be moved advantageously throughout the environment to improve performance and reduce cost. A data volume can serve I/O for a virtual machine instance, and it can be advantageous for the virtual machine and the data volume to be in the same network locality, or share at least some of the same network state and interconnection. Since there is limited capacity in a network locality, data volumes not attached to virtual machines can be moved to other locations in the environment. This can include moving data volumes to other local network topologies or snapshotting data volumes and writing the snapshots to another storage service. If the data volume is again needed for I/O, the data volume can moved, allocated, or reattached as necessary.
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公开(公告)号：US20200150888A1
公开(公告)日：2020-05-14
申请号：US16747707
申请日：2020-01-21
Applicant: Amazon Technologies, Inc.
Inventor： Christopher Magee Greenwood , Patrick E. Brennan , Mitchell Gannon Flaherty , Yilin Guo , Gary Michael Herndon, JR. , Sriram Venugopal , Linfeng Yu , Wells Lin
IPC: G06F3/06
Abstract: A block storage service can ensure volumes are placed in a same region as an attached virtual machine instance for performance and durability guarantees. A region can reference multiple things, but one example is that a volume is within a same spine as a virtual machine in order to meet performance guarantees. Each region can have a buffer of server computers held in reserve for volumes having a type where performance guarantees are required. If performance guarantees cannot be met, a rejection is transmitted to the customer. In another embodiment, the customer can provide a list in priority order of different volume types so that if a desired volume type cannot be placed, then alternative volume types can be used.
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公开(公告)号：US10599354B1
公开(公告)日：2020-03-24
申请号：US15967266
申请日：2018-04-30
Applicant: Amazon Technologies, Inc.
Inventor： Christopher Magee Greenwood , Patrick E. Brennan , Mitchell Gannon Flaherty , Yilin Guo , Gary Michael Herndon, Jr. , Sriram Venugopal , Linfeng Yu , Wells Lin
Abstract: A block storage service can ensure volumes are placed in a same region as an attached virtual machine instance for performance and durability guarantees. A region can reference multiple things, but one example is that a volume is within a same spine as a virtual machine in order to meet performance guarantees. Each region can have a buffer of server computers held in reserve for volumes having a type where performance guarantees are required. If performance guarantees cannot be met, a rejection is transmitted to the customer. In another embodiment, the customer can provide a list in priority order of different volume types so that if a desired volume type cannot be placed, then alternative volume types can be used.
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公开(公告)号：US20190319785A1
公开(公告)日：2019-10-17
申请号：US15952743
申请日：2018-04-13
Applicant: Amazon Technologies, Inc.
Inventor： Sandeep Kumar , Danny Wei , Lalit Jain , Varun Verma , Oscar Allen Grim Courchaine , Kristina Kraemer Brenneman , Sriram Venugopal , Arvind Chandrasekar
Abstract: Generally described, one or more aspects of the present application correspond to techniques for creating encrypted block store volumes of data from unencrypted object storage snapshots of the volumes. These encryption techniques use a special pool of servers for performing the encryption. These encryption servers are not accessible to users, and they perform encryption and pass encrypted volumes to other block store servers for user access. The encryption context for the volumes can be persisted on the encryption severs for as long as needed for encryption and not shared with the user-facing servers in order to prevent user access to encryption context.
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公开(公告)号：US20190179661A1
公开(公告)日：2019-06-13
申请号：US16279980
申请日：2019-02-19
Applicant: Amazon Technologies, Inc.
Inventor： Surya Prakash Dhoolam , Mitchell Gannon Flaherty , Christopher Magee Greenwood , Gary Michael Herndon, JR. , Rahul Karnik , Sriram Venugopal
Abstract: Data volumes hosted for customers in a multi-tenant environment can be moved advantageously throughout the environment to improve performance and reduce cost. A data volume can serve I/O for a virtual machine instance, and it can be advantageous for the virtual machine and the data volume to be in the same network locality, or share at least some of the same network state and interconnection. Since there is limited capacity in a network locality, data volumes not attached to virtual machines can be moved to other locations in the environment. This can include moving data volumes to other local network topologies or snapshotting data volumes and writing the snapshots to another storage service. If the data volume is again needed for I/O, the data volume can moved, allocated, or reattached as necessary.
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