My Groupwise server just rebooted itself. Error log shows the following.

I have seg running agin, and it all looks good, what do I do next to
track this problem down?


Thanx

9-10-2008 9:03:49 am: SERVER-5.70-3707
Severity = 3 Locus = 17 Class = 21
Server logical address space is running low. Increase the available
logical space by restarting the server with the -u671252480 switch

9-10-2008 9:03:51 am: SERVER-5.70-0
Severity = 5 Locus = 1 Class = 1
Short term memory allocator is out of memory.
1519037 attempts to get more memory failed.
request size in bytes 1048576 from Module SERVER.NLM

9-10-2008 9:04:00 am: SERVER-5.70-0
Severity = 5 Locus = 19 Class = 2
Cache memory allocator out of available memory.

9-10-2008 9:04:49 am: SERVER-5.70-3707
Severity = 3 Locus = 17 Class = 21
Server logical address space is running low. Increase the available
logical space by restarting the server with the -u671252480 switch...