Reduce the memory limit to switch to vmalloc based on the number of threads.
Reduce the memory limit to switch to vmalloc based on the number of threads.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb