About GlblNetworkServices

We have observed a high memory utilization on PA-3060 ,do we have to upgrade our RAM or this is normal behavior?    show system resources top - 02:47:35 up 631 days, 20:43, 1 user, load average: 0.02, 0.04, 0.05 Tasks: 117 total, 1 running, 115 sleeping, 0 stopped, 1 zombie Cpu(s): 3.7%us, 1.3%sy, 0.3%ni, 94.5%id, 0.0%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 3849912k total, 3578864k used, 271048k free, 26640k buffers Swap: 3056660k total, 880944k used, 2175716k free, 293052k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 20 0 16548 172 148 S 0.0 0.0 6:19.17 init 2 20 0 0 0 0 S 0.0 0.0 0:00.03 kthreadd 3 20 0 0 0 0 S 0.0 0.0 38:28.25 ksoftirqd/0 5 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H 7 RT 0 0 0 0 S 0.0 0.0 5:21.79 migration/0 8 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh 9 20 0 0 0 0 S 0.0 0.0 55:40.73 rcu_sched 10 RT 0 0 0 0 S 0.0 0.0 4:50.12 migration/1 11 20 0 0 0 0 S 0.0 0.0 39:00.33 ksoftirqd/1 13 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/1:0H 14 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper 230 0 -20 0 0 0 S 0.0 0.0 0:00.00 writeback 233 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 234 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd 374 0 -20 0 0 0 S 0.0 0.0 0:00.00 xenbus_frontend 380 0 -20 0 0 0 S 0.0 0.0 0:00.00 ata_sff 387 20 0 0 0 0 S 0.0 0.0 0:00.00 khubd 396 0 -20 0 0 0 S 0.0 0.0 0:00.00 md 399 0 -20 0 0 0 S 0.0 0.0 0:00.00 edac-poller 510 0 -20 0 0 0 S 0.0 0.0 0:00.00 rpciod 523 20 0 0 0 0 S 0.0 0.0 9:19.26 kswapd0 524 39 19 0 0 0 S 0.0 0.0 11:49.03 khugepaged 525 20 0 0 0 0 S 0.0 0.0 0:00.00 fsnotify_mark ... View more