53.8. pg_dsm_registry_allocations — PostgreSQL 20devel

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53.8. `pg_dsm_registry_allocations`
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53.8. `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 Section 36.10.11.3.

Table 53.8. 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.

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.

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