after installing ovirt 3.6 beta 4

my hypervisor is very slo, my CPU is overloaded by ovirt-ha-broker especially

[root@noveria wodel]# top
top - 18:57:17 up  2:35,  0 users,  load average: 745,33, 676,04, 522,26
Tasks: 278 total,   2 running, 275 sleeping,   0 stopped,   1 zombie
%Cpu(s): 30,9 us, 68,2 sy,  0,0 ni,  0,8 id,  0,0 wa,  0,0 hi,  0,1 si,  0,0 st
KiB Mem :  8123256 total,  2816544 free,  1712520 used,  3594192 buff/cache
KiB Swap:  4095996 total,  4093872 free,     2124 used.  5551188 avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                 
 1444 vdsm      20   0 8707412  65296   5716 S 349,3  0,8 143:14.97 ovirt-ha-broker                                         
 2528 wodel     20   0 2571748 989,7m 290820 S  10,3 12,5  27:15.53 firefox                                                 
  987 polkitd   20   0  536664  19192   9676 S   8,3  0,2   2:06.87 polkitd                                                 
32743 vdsm       0 -20 2877220  66992  20984 S   3,3  0,8   1:11.27 vdsm                                                    
 1188 vdsm      20   0  258272  22500   6016 S   2,6  0,3   0:28.55 ovirt-ha-agent

I have a core i5 3550 3Ghz (4 cores)