Ops Center data collectors are not working

Hi All,

I am facing an issue with my Ops center data collectors. JOB data collector always run and does not collect data(After 24 hours job summary status is showing NO DATA).  Whenever we enable and disable the data collection then CPU utilization reach 100%. 

Other required information is given below:

Master server version: 7.1.0.4

Ops Center server: 7.1.0.4

Ops server configuration is given below:

8 CPU

2 GB RAM

Linux suse 11.2(Separate server for ops center)