Trying to make some scripts to do some IRIS initialization during startup, I noticed that iris start and particularly stop takes too much time, and it starts to many processes in the background.
nostu is mostly useless for system initialization but could help in some scenarios, such as setup passwords, but it is still too slow
irisowner@4ea1bfb50b7f:~$ time iris start iris nostu Starting IRIS Using 'iris.cpf' configuration file Starting Control Process Global buffer setting requires attention. Auto-selected 25% of total memory. Allocated 7417MB shared memory 6002MB global buffers, 600MB routine buffers Creating a WIJ file to hold 99 megabytes of data InterSystems IRIS is started in single user mode. To log into InterSystems IRIS, type: iris session IRIS -B real 0m0.513s user 0m0.090s sys 0m0.207s
For instance, I have no idea why it starts so many AUX processes, even during NOSTU. With a normal start with no extra volumes attached, just plain start, I see no reasons to have so many AUX processes as well.
2011 pts/0 S 0:00 /usr/irissys/bin/irisdb -s/usr/irissys/mgr/ -w/usr/irissys/mgr/ -cc -B -Enostu -C/usr/irissys/iris.cpf*IRIS 2052 pts/0 S 0:00 /usr/irissys/bin/irisdb WD 2053 pts/0 S 0:00 /usr/irissys/bin/irisdb GC 2054 pts/0 S 0:00 /usr/irissys/bin/irisdb JD 2055 pts/0 S 0:00 /usr/irissys/bin/irisdb AUX2 2056 pts/0 S 0:00 /usr/irissys/bin/irisdb AUX1 2057 pts/0 S 0:00 /usr/irissys/bin/irisdb AUX5 2058 pts/0 S 0:00 /usr/irissys/bin/irisdb AUX7 2059 pts/0 S 0:00 /usr/irissys/bin/irisdb AUX4 2060 pts/0 S 0:00 /usr/irissys/bin/irisdb AUX3 2061 pts/0 S 0:00 /usr/irissys/bin/irisdb AUX6 2062 pts/0 S 0:00 /usr/irissys/bin/irisdb DBXD