Determining the Least Busy Login Node
On occasion, it is desirable to determine which login node of a particular system is the least busy. The common command, node_use, provides this capability by reporting the amount of memory in use and the load average on the login nodes of a system.
To use the command, a user should first log on to any node of the desired system and execute the command as described below. Once the report has finished, the user can then decide which node would be most appropriate and log on to that specific one.
$ node_use Login Node Memory Status Node Name Total (Kb) Used (Kb) Free (Kb) Pct. Free Load Avg. ========== ========== ========== ========== ========== ========== node001 49319552 42204236 7115316 14.43% 5.22 node002 49319552 30035192 19284360 39.10% 0.02 node003 49319552 31903664 17415888 35.31% 2.07 node004 49319552 11398412 37921140 76.89% 0.11 node005 49319552 37877132 11442420 23.20% 1.50 node006 49319552 13480024 35839528 72.67% 0.91 node007 49319552 39412916 9906636 20.09% 0.02 node008 49319552 15340372 33979180 68.90% 3.18
The command output contains the following information:
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