many processes running python command in Zenoss server

There are many processes running python command in my Zenoss server.
I have 24 GB memory and 8 G Swap , and they are almost used by Zenoss.
Can anyone tell me what these python processes for
How can I check what Zenoss is doing Thank you.

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
738 zenoss 18 0 426m 136m 7912 R 74.4 0.6 28:14.9 python
2191 zenoss 30 5 377m 101m 7196 R 62.1 0.4 00:17.2 python
6809 zenoss 15 0 450m 108m 2236 S 16 0.5 28:23.5 python
6114 zenoss 16 0 460m 113m 8600 S 11.9 0.5 1908:43:00 python
4345 mysql 15 0 2011m 1.3g 5960 S 10.4 5.8 01:03.6 mysqld
6113 zenoss 16 0 461m 113m 8600 S 10.4 0.5 1912:09:00 python
7344 zenoss 15 0 539m 163m 3388 S 4.7 0.7 38:00.7 python
8088 root 15 0 55076 1292 1024 S 4.1 0 44:31.1 zabbix_agentd
5731 zenoss 18 0 3701m 431m 41m S 3.8 1.8 15:57.6 java
32102 root 16 0 11148 1404 780 R 3.5 0 01:42.6 top
4825 rabbitmq 25 0 498m 393m 2012 S 3.1 1.6 47:27.9 beam.smp
2367 root 10 -5 0 0 0 S 1.9 0 58:19.5 kjournald
31009 zenoss 20 5 390m 102m 7760 S 1.9 0.4 00:12.1 python
2340 root 10 -5 0 0 0 S 1.3 0 18:41.7 kjournald
4090 zenoss 15 0 391m 58m 3872 S 0.6 0.2 02:53.8 python
6504 zenoss 16 0 391m 99m 3884 S 0.6 0.4 03:09.8 python
1557 zenoss 15 0 404m 103m 8440 S 0.3 0.4 00:11.7 python
2599 zenoss 25 0 77872 1680 1300 S 0.3 0 00:00.0 perfmon.pl
2602 zenoss 15 0 43680 2696 2348 S 0.3 0 00:00.0 winexe
2606 zenoss 15 0 43676 2704 2352 S 0.3 0 00:00.0 winexe
4006 zenoss 16 0 391m 99m 3844 S 0.3 0.4 00:17.5 python
4120 memcache 15 0 134m 49m 400 S 0.3 0.2 39:55.3 memcached
6190 zenoss 15 0 446m 112m 8424 S 0.3 0.5 05:36.6 python
7180 zenoss 15 0 677m 104m 4572 S 0.3 0.4 17:23.9 python
7375 zenoss 15 0 391m 80m 3884 S 0.3 0.3 01:54.3 python
10734 zenoss 15 0 391m 63m 3864 S 0.3 0.3 01:48.8 python
13408 zenoss 16 0 391m 42m 3872 S 0.3 0.2 01:22.9 python
14813 zenoss 15 0 391m 58m 3880 S 0.3 0.2 01:56.8 python
16622 zenoss 15 0 391m 76m 3872 S 0.3 0.3 01:35.9 python
17309 zenoss 16 0 391m 85m 3872 S 0.3 0.4 01:31.7 python
19595 zenoss 15 0 391m 40m 3868 S 0.3 0.2 01:27.0 python
19840 zenoss 16 0 391m 99m 3872 S 0.3 0.4 03:01.6 python
20349 zenoss 15 0 391m 99m 3844 S 0.3 0.4 00:20.1 python
21022 zenoss 15 0 391m 36m 3864 S 0.3 0.2 01:42.2 python
21371 zenoss 15 0 391m 58m 3872 S 0.3 0.2 01:14.2 python
23142 zenoss 15 0 391m 58m 3868 S 0.3 0.2 02:38.0 python
25731 zenoss 16 0 391m 68m 3872 S 0.3 0.3 01:48.1 python
25751 zenoss 15 0 391m 37m 3872 S 0.3 0.2 01:10.5 python
27311 zenoss 16 0 391m 52m 3844 S 0.3 0.2 01:26.1 python
28060 zenoss 16 0 391m 48m 3868 S 0.3 0.2 01:18.7 python
28716 zenoss 16 0 391m 45m 3868 S 0.3 0.2 01:25.7 python
29919 zenoss 15 0 391m 99m 3884 S 0.3 0.4 03:04.8 python