由ORA-00821和ORA-01078报错引起的瞎测：单个process进程消耗多少sga

瞎测的，不一定准，没有

SQL> show parameter process

NAME				     TYPE	 VALUE
------------------------------------ ----------- ------------------------------
aq_tm_processes 		     integer	 1
cell_offload_processing 	     boolean	 TRUE
db_writer_processes		     integer	 1
gcs_server_processes		     integer	 0
global_txn_processes		     integer	 1
job_queue_processes		     integer	 20
log_archive_max_processes	     integer	 4
processes			     integer	 2000
processor_group_name		     string
SQL> show parameter sga

NAME				     TYPE	 VALUE
------------------------------------ ----------- ------------------------------
allow_group_access_to_sga	     boolean	 FALSE
lock_sga			     boolean	 FALSE
pre_page_sga			     boolean	 TRUE
sga_max_size			     big integer 2352M
sga_min_size			     big integer 0
sga_target			     big integer 2352M
unified_audit_sga_queue_size	     integer	 1048576ba