@Jagster @uwe_keim por favor, poderiam relatar a saída destes comandos
cat /proc/sys/vm/overcommit_memory
cat /sys/kernel/mm/transparent_hugepage/enabled
Nos meus sistemas eu tenho
# cat /proc/sys/vm/overcommit_memory
1
# cat /sys/kernel/mm/transparent_hugepage/enabled
always madvise [never]