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System and method for dynamic configuration of replicated database servers

  • US 7,805,407 B1
  • Filed: 06/16/2004
  • Issued: 09/28/2010
  • Est. Priority Date: 06/16/2004
  • Status: Active Grant
First Claim
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1. A replicated database system, comprising:

  • a plurality of server nodes each comprising a replica of a database, wherein the replicas of the database on the server nodes are concurrently accessible to service requests to the database; and

    one or more pool nodes, wherein each of the one or more pool nodes is capable of becoming a server node in the replicated database system;

    wherein the plurality of server nodes is configured to;

    determine whether a new server node is needed in the plurality of server nodes; and

    recruit one of the pool nodes as the new server node in the plurality of server nodes, wherein, to recruit one of the pool nodes as the new server node, at least one of the plurality of server nodes is configured to broadcast a message to the pool nodes requesting the pool nodes to volunteer to become the new server node.

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