×

Method of changing system configuration in shared-nothing database management system

  • US 20050154731A1
  • Filed: 04/30/2004
  • Published: 07/14/2005
  • Est. Priority Date: 01/09/2004
  • Status: Active Grant
First Claim
Patent Images

1. A system configuration changing method in a shared-nothing database management system which includes a plurality of CPU resources, a storage, and a network for connecting said CPU resources and said storage, wherein at least some of said plurality of CPU resources run a database search program to each function as a database server for processing data to be processed relatively prime to one another, said method comprising the steps of:

  • adding a server exclusively for sorting and merging data without accessing a table in a database to said shared-nothing database management system;

    determining whether or not a storage I/O resource is added;

    changing said server exclusively for sorting and merging data to an ordinary server for accessing a table in a database in response a determination that the storage I/O resource is added; and

    relocating data when said database server is lightly loaded.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×