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Open Cloud Campus - Japan



Comparing GlusterFS-SwiftAPI
     with Original Swift




       Etsuji Nakai / Red Hat K.K.
            Twitter @enakai00
Architecture of Swift                           Account Servers
                                                                       Maintain mappings
                                                                       between
    Account Servers / Container Servers store                          accounts and containers
    metadata in separate databases.


       Authentication Server
                                                                      DB

                                                Container Servers
                                                                       Maintain lists and ACLs
                                                                       of objects
                         Proxy Servers                                 in each container.




                                                                      DB

                                                 Object Servers
                                                                       Store object contents
                                                                       in file system.
 Handling REST
 request from clients



                                                                    File System
                                                                                  Open Cloud Campus
Architecture of GlusterFS with Swift API
                                             - You can add “all in one” servers for scalability.
             Authentication Server
                                             - In Red Hat Storage 2.0, “all in one” servers are
                                              directly configured on GlusterFS storage nodes.

                                                    GlusterFS manages scalability, redundancy
                            TempAuth is the only    and consistency.
                            supported method now.

                                                                   GlusterFS Cluster

        Account/Container/Object Server
        modules retrieve required information
        directly from locally mounted volumes.


          Proxy / Account / Container / Object
          “all in one” server & GlusterFS client


                                                          GlusterFS
                                                           Volume



      Volume for each account is locally mounted at:        One volume is used
      /mnt/gluster-object/AUTH_<account name>               for one account

                                                                                    Open Cloud Campus
How GlusterFS's Swift API works.
 It's just a modified versions of Swift components.
   – All metadata is stored in GlusterFS using extended attributes instead of
     dedicated metadata store.
   – For example, Container Server component works as below.

     Original Swift
                                   Requesting a list of objects
                                     in a specific container.

                 Proxy Server                                     Container Server

                                   Returning it by referring to
                                 the metadata in a local database.


     GlusterFS with Swift API
                                   Requesting a list of objects
                                     in a specific container.
                 Proxy Server                                     Container Server

               Returning it by searching a list of files in locally mounted directory:
                 /mnt/gluster-object/AUTH_<account name>/<container name>
                                                                                         Open Cloud Campus
Open Cloud Campus - Japan



      Thank you!




   Etsuji Nakai / Red Hat K.K.
        Twitter @enakai00

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Comparing GlusterFS-SwiftAPI with Original Swift

  • 1. Open Cloud Campus - Japan Comparing GlusterFS-SwiftAPI with Original Swift Etsuji Nakai / Red Hat K.K. Twitter @enakai00
  • 2. Architecture of Swift Account Servers Maintain mappings between Account Servers / Container Servers store accounts and containers metadata in separate databases. Authentication Server DB Container Servers Maintain lists and ACLs of objects Proxy Servers in each container. DB Object Servers Store object contents in file system. Handling REST request from clients File System Open Cloud Campus
  • 3. Architecture of GlusterFS with Swift API - You can add “all in one” servers for scalability. Authentication Server - In Red Hat Storage 2.0, “all in one” servers are directly configured on GlusterFS storage nodes. GlusterFS manages scalability, redundancy TempAuth is the only and consistency. supported method now. GlusterFS Cluster Account/Container/Object Server modules retrieve required information directly from locally mounted volumes. Proxy / Account / Container / Object “all in one” server & GlusterFS client GlusterFS Volume Volume for each account is locally mounted at: One volume is used /mnt/gluster-object/AUTH_<account name> for one account Open Cloud Campus
  • 4. How GlusterFS's Swift API works.  It's just a modified versions of Swift components. – All metadata is stored in GlusterFS using extended attributes instead of dedicated metadata store. – For example, Container Server component works as below. Original Swift Requesting a list of objects in a specific container. Proxy Server Container Server Returning it by referring to the metadata in a local database. GlusterFS with Swift API Requesting a list of objects in a specific container. Proxy Server Container Server Returning it by searching a list of files in locally mounted directory: /mnt/gluster-object/AUTH_<account name>/<container name> Open Cloud Campus
  • 5. Open Cloud Campus - Japan Thank you! Etsuji Nakai / Red Hat K.K. Twitter @enakai00