Logstash forwarder 100s of processes

Hi all.
I am seeing the following in my process list.
Any ideas of what I can look at to resolve?

root     27940  0.0  0.0 320308  5920 ?        Sl   May26   1:59 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     28284  0.1  0.0 320308  5776 ?        Sl   12:05   0:04 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     28286  0.1  0.0 385972  8108 ?        Sl   May26   3:05 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     28716  0.1  0.0 320436  5968 ?        Sl   00:05   1:04 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     29453  0.0  0.0 385844  5828 ?        Sl   May27   0:36 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     30292  0.1  0.0 386100  3924 ?        Sl   06:35   0:30 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     30964  0.0  0.0 385844  7900 ?        Sl   May27   0:45 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     32312  0.1  0.0 385972  7928 ?        Sl   May27   1:12 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     32952  0.1  0.0 385844  6064 ?        Sl   May26   3:20 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     33303  0.1  0.0 386100  6116 ?        Sl   May26   3:06 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     33372  0.1  0.0 246576  3552 ?        Sl   12:35   0:01 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     33763  0.1  0.0 385972  6008 ?        Sl   00:35   1:00 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     34480  0.1  0.0 385844  3856 ?        Sl   May27   2:06 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     35502  0.0  0.0 385844  3732 ?        Sl   07:05   0:17 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     35886  0.0  0.0      0     0 ?        S    12:47   0:00 [kworker/u126:2]
root     35997  0.1  0.0 385844  3960 ?        Sl   May27   1:48 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     36614  0.0  0.0  18444  1324 pts/0    R+   12:53   0:00 ps aux
root     37352  0.0  0.0 385844  3672 ?        Sl   May27   0:12 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     37962  0.0  0.0 386100  3888 ?        Sl   May26   1:20 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     38322  0.0  0.0 385972  3900 ?        Sl   May26   1:19 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     38808  0.1  0.0 385972  5996 ?        Sl   01:05   0:55 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     39504  0.1  0.0 385972  3900 ?        Sl   May27   2:07 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     40558  0.1  0.0 385844  5788 ?        Sl   07:35   0:22 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     41030  0.1  0.0 385844  5888 ?        Sl   May27   1:30 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     42387  0.0  0.0 320308  5848 ?        Sl   May27   0:48 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     42974  0.0  0.0 320436  5952 ?        Sl   May26   1:38 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     43339  0.0  0.0 385844  3780 ?        Sl   May27   0:34 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     43854  0.0  0.0 320308  3696 ?        Sl   01:35   0:21 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     44763  0.0  0.0 320308  5820 ?        Sl   May27   0:48 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     45612  0.1  0.0 320308  5888 ?        Sl   08:05   0:23 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     46063  0.1  0.0 385844  5908 ?        Sl   May27   1:34 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     47430  0.1  0.0 385972  4008 ?        Sl   May27   1:26 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     47985  0.0  0.0 385844  3888 ?        Sl   May26   2:24 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     48361  0.1  0.0 385972  5968 ?        Sl   May27   2:55 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     48902  0.1  0.0 320436  8032 ?        Sl   02:05   0:53 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     49790  0.0  0.0 385844  5748 ?        Sl   May27   0:28 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     50667  0.1  0.0 385844  5916 ?        Sl   08:35   0:21 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     51098  0.0  0.0 385844  5680 ?        Sl   May27   0:13 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     52470  0.1  0.0 385972  8052 ?        Sl   May27   1:24 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     52997  0.1  0.0 320436  3988 ?        Sl   May26   3:12 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     53380  0.0  0.0 324664  4004 ?        Sl   May27   1:31 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     53956  0.1  0.0 385844  3928 ?        Sl   02:35   0:51 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     54817  0.0  0.0 385844  7852 ?        Sl   May27   0:38 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     55725  0.1  0.0 385844  3832 ?        Sl   09:05   0:18 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     56133  0.0  0.0 385844  3704 ?        Sl   May27   0:18 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     57514  0.1  0.0 385972  8100 ?        Sl   May27   1:21 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     57906  0.0  0.0 385972  5900 ?        Sl   May26   1:23 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     58404  0.1  0.0 385972  8016 ?        Sl   May27   2:08 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     59002  0.0  0.0 459704  3820 ?        Sl   03:05   0:29 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     59843  0.0  0.0 385844  5864 ?        Sl   May27   1:27 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     60781  0.1  0.0 385844  7964 ?        Sl   09:35   0:16 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     61165  0.0  0.0 385844  3672 ?        Sl   May27   0:15 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     62318  0.1  0.0 385972  4048 ?        Sl   May26   3:14 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     62558  0.0  0.0 385844  5664 ?        Sl   May27   0:10 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t
root     63420  0.1  0.0 386100  5912 ?        Sl   May27   2:13 /opt/lumberjack/bin/lumberjack -config /etc/lumberjack.conf -spool-size 100 -log-t