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The system table SYSINFO.MEMORYALLOCATORDETAILS contains allocator details.

Structure

MEMORYALLOCATORDETAILS

ALLOCATORNAME

CHAR(40)

Name of the allocator

INITIALSIZE

FIXED(20)

Initial amount of memory reserved by the allocator (bytes)

LIMITSIZE

FIXED(20)

Upper limit of memory that can be reserved by the allocator (bytes)

SUPPLEMENTSIZE

FIXED(20)

Minimal number of bytes allocated from the base allocator when this allocator must grow

CHECKLEVEL

FIXED(20)

Information about the current degree of allocator self-control (database parameter CheckAllocator)

CALLSTACKLEVEL

FIXED(20)

Depth of the call stack stored for each allocated memory chunk

MEMORYRETURNSTRATEGY

CHAR(40)

Decription of the strategy how memory is returned to the base allocator

FREE_RAW_EXTENDS: all reserved memory may be returned to the base allocator

FREE_RAW_EXTENDS_EXCEPT_INITIAL: all reserved memory except the initial size may be returned to the base allocator

NOT_FREE_RAW_EXTENDS: no memory will be returned to the base allocator

More Information

MEMORYALLOCATORSTATISTICS