Apple’s Oracle Dataguard 11g architecture

Apple use’s Oracle Active Dataguard 11g for its AppStore.  In Oracle 11g data guard you can have upto 30 active data guard instances. What Apple most likely does is, cascade its Production DB into many Standby instances and uses different applications to interface with each standby database.

 

For more details read on : http://www.oracledatabase12g.com/archives/oracle-active-data-guard-technical-overview.html

Leave a Reply