Java запуск сервера майнкрафт 1.12.2

Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000c00 00000, 716177408, 0) failed; error='Cannot allocate memory' (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 716177408 bytes for committing r eserved memory.
# An error report file with more information is saved as:
# /root/GriefServer/hs_err_pid15102.log
Помогите решить пожалуйста (программа putty)