1.增加oracle process数
show parameter processes;
aq_tm_processes integer 0
db_writer_processes integer 1
gcs_server_processes integer 0
job_queue_processes integer 10
log_archive_max_processes integer 2
processes integer 150
alter system set processes=500 scope=spfile;
create pfile from spfile;
重启数据库
SQL> show parameter processes;