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SYSTEM AND METHOD FOR PLANNED MIGRATION OF SERVICE CONNECTIONS

  • US 20150324354A1
  • Filed: 05/08/2014
  • Published: 11/12/2015
  • Est. Priority Date: 06/06/2013
  • Status: Active Grant
First Claim
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1. A system for a planned migration of service connections in a clustered database, comprising:

  • one or more computers with one or more processors;

    a clustered database including first and second database instances and a notification service associated therewith, wherein the notification service broadcasts notifications that describe state changes in the clustered database;

    an application server that includes a data source and a connection pool associated therewith,wherein the connection pool provides a plurality of connections that an application uses to connect to the first database instance for a service thereon, andwherein the data source is associated with parameters that specify a delay-for-planned-draining and a planned-draining-period for rebalancing the plurality of connections;

    wherein upon receiving a notification event indicating the service is up on the second database instance, the connection pool is operable tospread migrating the plurality of connections from the first to the second database instance over the planned-draining-period.

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