AWK "delete" does not free memory?


 
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Old 05-26-2010
AWK "delete" does not free memory?

In my awk script I have a big array, it can occupy up to 10 gigabytes of memory, but after I have deleted the array, the memory is not returned to the system? why's that? how to return the memory to the system?
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ost::MemPagerObject(3)					     Library Functions Manual					    ost::MemPagerObject(3)

NAME
ost::MemPagerObject - This class is used to create derived classes which are constructed within a memory pager pool. SYNOPSIS
#include <misc.h> Public Member Functions void * operator new (size_t size, MemPager &pager) Allocate memory from a memory pager. void * operator new[] (size_t size, MemPager &pager) Allocate array from a memory pager. void operator delete (void *) Mempager delete does nothing; the pool purges. void operator delete[] (void *) Array mempager delete does nothing; the pool purges. Detailed Description This class is used to create derived classes which are constructed within a memory pager pool. create objects in a memory pager. Author: David Sugar dyfet@ostel.com Member Function Documentation void ost::MemPagerObject::operator delete (void *) [inline] Mempager delete does nothing; the pool purges. void ost::MemPagerObject::operator delete[] (void *) [inline] Array mempager delete does nothing; the pool purges. void* ost::MemPagerObject::operator new (size_tsize, MemPager &pager) [inline] Allocate memory from a memory pager. Parameters: size of new passed from operator. pager to allocate from. void* ost::MemPagerObject::operator new[] (size_tsize, MemPager &pager) [inline] Allocate array from a memory pager. Parameters: size of new passed from operator. pager to allocate from. Author Generated automatically by Doxygen for GNU CommonC++ from the source code. GNU CommonC++ Sat Jun 23 2012 ost::MemPagerObject(3)