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`pg_dsm_registry_allocations`

pg_dsm_registry_allocations

The pg_dsm_registry_allocations view shows shared memory allocations tracked in the dynamic shared memory (DSM) registry. This includes memory allocated by extensions using the mechanisms detailed in Requesting Shared Memory After Startup.

Table: pg_dsm_registry_allocations Columns

Column Type

Description

name text

The name of the allocation in the DSM registry.

type text

The type of allocation. Possible values are segment, area, and hash, which correspond to dynamic shared memory segments, areas, and hash tables, respectively.

size int8

Size of the allocation in bytes. NULL for entries that failed initialization.

By default, the pg_dsm_registry_allocations view can be read only by superusers or roles with privileges of the pg_read_all_stats role.