Upgrade Apps 12.0.6 to 12.1.1

Hello all,

I am doing an update of Oracle E-Business Suite 12.0.6 to 12.1.1, I am applying the patches 7303030 and 7303031 however it takes too long for its application, approximately 32 hours the first and the other 14 hours, I have the following parameters in the init.

The server features are:

16GB RAM

8 vCPUs

It should be mentioned that I apply them with 16 workers

db_name                         = QAPF

control_files                   = /d02/oracle/QAPF/data/cntrl01.dbf,/d04/oracle/QAPF/data/cntrl02.dbf,/d01/oracle/QAPF/data/cntrl03.dbf

db_block_size                   = 8192

compatible                      = 11.2.0

_system_trig_enabled            = false

o7_dictionary_accessibility = FALSE     #MP

local_listener  = QAPF_LOCAL

#nls_language                   = american