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Low latency RDMA-based distributed storage

  • US 10,375,167 B2
  • Filed: 11/20/2015
  • Issued: 08/06/2019
  • Est. Priority Date: 11/20/2015
  • Status: Active Grant
First Claim
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1. A distributed storage system, comprising:

  • a plurality of networked computing devices in communication via RDMA-enabled NICs;

    distribution tables and metadata hosted on one or more of the networked computing devices;

    a plurality of memory regions allocated across two or more of the networked computing devices;

    a separate instance of an RDMA-based messaging module hosted on each of a plurality of the networked computing devices;

    a separate instance of an RDMA-based memory allocator module hosted on each of a plurality of the networked computing devices, each RDMA-based memory allocator module configured to perform allocations and de-allocations of shared memory on any of the networked computing devices; and

    applying the RDMA-based memory allocator module of one or more of the networked computing devices and the RDMA-based messaging module of one or more of the networked computing devices in combination with the distribution tables and metadata to concurrently perform any combination of RDMA-based lock-free memory operations on one or more of the plurality of memory regions.

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