Balancing database workloads through migration
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United States of America Patent
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Apr 28, 2015
Grant Date -
Oct 17, 2013
app pub date -
Apr 3, 2013
filing date -
Apr 16, 2012
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Abstract
A method for balancing database workloads among a plurality of database servers includes when a new server is available, selecting a set of master and slave databases to be migrated to the new server; and migrating the selected databases to result in a balanced new workload among all servers while minimizing migration cost; and during operation, if workload unbalance is detected in real time from a workload change in a certain database, iteratively selecting one database at a time to migrate to a different server to balance the workload.
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