I'm trying to do an application it need to connecting *multiple *databases,
therefore how can i configure the database? itzi using *master and slave
concept *?
* master and slave concept*
DB=Sequel.connect('mysql2://master_server/database',
:servers=>{:read_only=>proc{|db| {:host=>db.get_slave_host}}})
def DB.get_slave_host
@current_slave_host ||= -1
"slave_server#{(@current_slave_host+=1)%4}"
end
def DB.get_master_host
@current_master_host ||= -1
"master_server#{(@current_master_host+=1)%4}"
end
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