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DISTRIBUTED FILESYSTEM ATOMIC FLUSH TRANSACTIONS

  • US 20140006543A1
  • Filed: 06/28/2013
  • Published: 01/02/2014
  • Est. Priority Date: 06/29/2012
  • Status: Abandoned Application
First Claim
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1. In a computing system where a data request has been passed between an upstream site and a file service proxy cache node, the file service proxy cache node being a network node located between the upstream site and the origin file system node, a non-transitory computer-readable storage medium including instructions that, when executed by the file service proxy cache node, performs the steps:

  • receiving a flush request from the upstream site, wherein the flush request includes;

    a request to save flush data contained in the flush request to a stable memory;

    storing the flush data in a shadow extent;

    dispatching a downstream flush request to a second file service proxy cache node;

    receiving a response to the downstream flush request from the second file service proxy cache node; and

    if the response to the downstream flush request includes a status code that indicates the successful completion of the requestsending a flush response that includes the status code that indicates the successful completion of the request to the upstream site.

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