[MonetDB-users] monetdb do not release the memory

hi, everyone i'am new here, i install monetdb of windows 64bit version, after copy into table from several very large files(about 10G each), i found that monetdb occupied too much momery, almost 100% of total 32G , and it keeps occupying, after 24hours, it still don't release the memory, what's the matter? Also, i found the same problem after query several times with large amount of records returned;