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    Write-back techniques at datastore accelerators
    1.
    发明授权
    Write-back techniques at datastore accelerators 有权

    公开(公告)号：US10146833B1

    公开(公告)日：2018-12-04

    申请号：US15085956

    申请日：2016-03-30

    Applicant: Amazon Technologies, Inc.

    Inventor： Kiran Kumar Muniswamy Reddy ,  Omer Ahmed Zaki ,  Brian O'Neill ,  Anand Sasidharan

    IPC: G06F12/00 ,  G06F17/30

    Abstract: A fleet of query accelerator nodes is established for a data store. A particular node determines a write throughput limit for back-end writes from the fleet to the data store. A pool of write-back threads is established at the node. When a write request is received at the node, an entry is added to a selected partition of a write-back journal, and a write completion response is provided to the requester without applying the write to the data store. A write-back thread from the pool eventually schedules the back-end write.

    Binary encoding-based optimizations at datastore accelerators
    3.
    发明授权
    Binary encoding-based optimizations at datastore accelerators 有权

    公开(公告)号：US10275489B1

    公开(公告)日：2019-04-30

    申请号：US15085957

    申请日：2016-03-30

    Applicant: Amazon Technologies, Inc.

    Inventor： Kiran Kumar Muniswamy Reddy ,  Omer Ahmed Zaki ,  Brian O'Neill

    IPC: G06F17/30

    Abstract: A fleet of query accelerator nodes is established for a data store. A particular node stores a binary encoding of a data item in a local data cache. The encoding identifies a metadata record indicating names of attributes of the data item. In response to receiving a particular query directed to the data item, an executable code component generated to produce a result for the query is cached in a local query code cache. When a second query which meets a matching criterion is received, the executable code component is re-used to obtain a result for the second query.

    Using data store accelerator intermediary nodes and write control settings to identify write propagation nodes
    6.
    发明授权
    Using data store accelerator intermediary nodes and write control settings to identify write propagation nodes 有权

    公开(公告)号：US10191663B1

    公开(公告)日：2019-01-29

    申请号：US15269935

    申请日：2016-09-19

    Applicant: Amazon Technologies, Inc.

    Inventor： Brian O'Neill ,  Kevin Christen ,  Omer Ahmed Zaki ,  Kiran Kumar Muniswamy Reddy

    IPC: G06F3/06 ,  G06F17/30 ,  G06F9/54 ,  G06F9/455

    Abstract: An accelerator intermediary node (AIN) associated with a data store obtains an indication of a control setting to be applied with respect to a write request directed to a data item, where the control setting specifies a target for one or more of replication count, data durability, a transaction grouping with respect to a write request, or back-end synchronization node. Using the control setting, a write propagation node set is identified for the write request. The write propagation node set includes another accelerator intermediary node and/or a storage node of a data store. Respective operation requests corresponding to the write request are transmitted to one or more members of the write propagation node set. A write coordinator role may be verified prior to attempting a commit together of a plurality of write requests as part of a multi-write transaction.

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