First, adjust the tool: shell parameter / etc / conf / bin / idtune msgmni 512
Second, two files / EtC/conf/cf.d/mtune system for core parameters The default configuration /etc/conf/cf.d/stune adjusted system parameters
Third, several parameters related to the message queue 1, msgmin = 512 (Message queue number) 2, SEMMNS> MAXACCSSER (maximum number of signal lights) 3, MSGMax> MaxAcssser