Unknown Status on Overloaded Servers

HP Output Server 3.5 15

Conclusion

To rectify this problem, the behavior of the HP-UX heap manager should be modified by adding the following

environment variable in the HostConfig.sgml entry for the environment-variables host attribute:

_M_ARENA_OPTS=1:8

This command forces the HP-UX heap manager to use a single arena. So when the CM server is run, the first

pdconfig -d command invocation raises the memory size of the CM server from 14MB to 58MB while the

subsequent pdconfig -d invocations do not raise the memory size above 58MB.

NOTE: The use of the _M_ARENA_OPTS environment variable is described in the HP-UX malloc

man page.

Conclusion

The servers buffer all the output for a given command operation in their memory prior to marshalling the data to the

server client. This causes the servers to fail when the number of jobs is large. The only way to avoid the failure is to

increase the data segment size (this can only reduce the probability of server crash) or avoid issuing a command on

any batch of jobs.