MDB_MAP_FULL: Environment mapsize limit reached 해결방법

MDB_MAP_FULL: Environment mapsize limit reached


lmdb를 더 큰 mmap size로 열어야 함.

참고로 lmdb.open(filename, map_size = ABCD)에서 ABCD는 byte 단위임.
1e10 = 1 x 10^10 = 10GB


<참조: https://github.com/clibs/lmdb/issues/1>