hello I need advice memory usage freeradius 3.0.11

hello freeradius developer. I`m south korean. I had radius server authentication test. I confirmed that 72 kbytes increase when one people authentication In this way, when about 100,000 people are authenticated, the server is forcibly terminated due to insufficient memory. authentication type EAP-TTLS PAP . sure, it is not accurate calculation. just, calculation, in my brain. I check memory 'top' command I used CentOS 6.7 memory 8G no virtual machine. I understand why memory usage increase. plz help me. [@from=whwo1515%40hanmail.net&rcpt=freeradius-devel%40lists.freeradius. org&msgid=%3C20170308154200.cHgoTnElSCC7l6pkcpLVqg%40whwo1515.hanmail.n et%3E]