SEMMSL = 250 (or max processes per instance) SEMMNS = 32000 (or higher) SEMOPM = 100 SEMMNI = 256 (or 1024 for large systems) Set persistently:
oracle soft nproc 16384 oracle hard nproc 32768 oracle soft nofile 65536 oracle hard nofile 65536 in /etc/system : SEMMSL = 250 (or max processes per instance)
echo 65536 > /proc/sys/kernel/pid_max # temporary echo "kernel.pid_max=65536" >> /etc/sysctl.conf Check for zombie processes: /etc/sysctl.conf Check for zombie processes: