[Serusers] CPU %

Hello i am using the ser 0.8.12, it works fine, right now i run the linux comand ps -aux , to see the list of proces that are runing and i see that i have SER proces like the next, can you said me if it is correct or i have a problem with my ser or is a problem with the version of the SER, because sometimes the SER needs to reset because don't respond, if you see the last SER reset tht i need to made was August 25. USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 24416 32.4 0.7 38668 7456 ? R Aug25 5547:04 /usr/sbin/ser root 24421 32.4 0.7 38684 7468 ? R Aug25 5537:54 /usr/sbin/ser root 24426 32.4 0.7 38664 7484 ? R Aug25 5541:14 /usr/sbin/ser root 24431 32.4 0.7 38652 7468 ? R Aug25 5543:54 /usr/sbin/ser root 24437 0.0 0.8 38676 9056 ? S Aug25 5:56 /usr/sbin/ser root 24439 0.0 0.8 38756 9064 ? S Aug25 6:10 /usr/sbin/ser root 24444 32.4 0.7 38684 7456 ? R Aug25 5551:00 /usr/sbin/ser root 24450 32.4 0.7 38664 7472 ? R Aug25 5539:39 /usr/sbin/ser I ran the vmstat 1 10 too and i believe is not normall the processing, can you help me?. r b swpd free buff cache si so bi bo in cs us sy id wa 6 0 27440 17824 168972 649488 0 0 1 2 0 2 0 0 1 0 6 0 27440 17844 168972 649488 0 0 0 40 130 480364 12 87 1 0 6 0 27440 17844 168972 649488 0 0 0 0 118 475900 11 89 0 0 6 0 27440 17840 168972 649488 0 0 0 0 120 481403 11 87 2 0 6 0 27440 17840 168972 649488 0 0 0 0 114 483715 12 86 2 0 6 0 27440 17836 168972 649488 0 0 0 36 134 476488 12 87 1 0 6 0 27440 17840 168972 649488 0 0 0 64 137 482903 14 84 1 0 6 0 27440 17840 168972 649488 0 0 0 68 148 473984 14 86 0 0 6 0 27440 17840 168972 649488 0 0 0 64 143 476887 12 88 0 0 6 0 27440 17840 168972 649488 0 0 0 52 147 476060 12 88 0 0