Limit mmap operations to the size of the mmap'ed region. This should fix concurrency problems triggered by e.g. running several instances of TPC-H query 18 in parallel on scale factor 10 on an 8 GB system.
Limit mmap operations to the size of the mmap'ed region.
This should fix concurrency problems triggered by e.g. running several
instances of TPC-H query 18 in parallel on scale factor 10 on an 8 GB system.

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