GS_SHARED_MEMORY_DETAIL

SHARED_MEMORY_DETAIL queries the usage information about shared memory contexts on the current node.

Table 1 SHARED_MEMORY_DETAIL columns

Name	Type	Description
contextname	text	Name of the memory context
level	smallint	Level of the memory context
parent	text	Name of the parent memory context
totalsize	bigint	Total size of the shared memory (unit: byte)
freesize	bigint	Remaining size of the shared memory (unit: byte)
usedsize	bigint	Used size of the shared memory (unit: byte)