The thread "odl-stat-collector-n-thread-0"in StatPermCollectorImpl is so many that lead to out of memory.


 Hi all ,

I have one question to get your help.

The threads created by StatPermCollectorImpl named "odl-stat-collector" are increasing when all the OpenFlow devices connect and disconnect with ODL  at the 
same time.There are about 160 H3C routers as OpenFlow devices in my ODL. Attached is the stack related to the thread and there are more than 20 000 thread stacks in my ODL.

Sincerely to get some suggestion from you.