Help Center/ GaussDB/ Developer Guide(Centralized_V2.0-8.x)/ Schemas/ DBE_PERF Schema/ Memory/ GLOBAL_SHARED_MEMORY_DETAIL

Updated on 2025-05-29 GMT+08:00

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GLOBAL_SHARED_MEMORY_DETAIL

Displays the usage of shared memory contexts on all normal nodes in the database, as shown in Table 1. In the multi-tenancy scenario, global information is returned if this view is accessed in a non-PDB, and the empty list is returned if this view is accessed in a PDB.

**Table 1** GLOBAL_SHARED_MEMORY_DETAIL columns
Name	Type	Description
node_name	name	Node name.
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).

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